# Redmine

[Redmine](http://www.redmine.org) is a free and open source, web-based project management and issue tracking tool.

## TL;DR

```bash
$ helm repo add bitnami https://charts.bitnami.com/bitnami
$ helm install my-release bitnami/redmine
```

## Introduction

This chart bootstraps a [Redmine](https://github.com/bitnami/bitnami-docker-redmine) deployment on a [Kubernetes](http://kubernetes.io) cluster using the [Helm](https://helm.sh) package manager.

It also packages the [Bitnami MariaDB chart](https://github.com/kubernetes/charts/tree/master/bitnami/mariadb) and the [PostgreSQL chart](https://github.com/kubernetes/charts/tree/master/bitnami/postgresql) which are required for bootstrapping a MariaDB/PostgreSQL deployment for the database requirements of the Redmine application.

Bitnami charts can be used with [Kubeapps](https://kubeapps.com/) for deployment and management of Helm Charts in clusters. This chart has been tested to work with NGINX Ingress, cert-manager, fluentd and Prometheus on top of the [BKPR](https://kubeprod.io/).

## Prerequisites

- Kubernetes 1.12+
- Helm 2.12+ or Helm 3.0-beta3+
- PV provisioner support in the underlying infrastructure
- ReadWriteMany volumes for deployment scaling

## Installing the Chart

To install the chart with the release name `my-release`:

```bash
$ helm install my-release bitnami/redmine
```

The command deploys Redmine on the Kubernetes cluster in the default configuration. The [Parameters](#parameters) section lists the parameters that can be configured during installation.

> **Tip**: List all releases using `helm list`

## Uninstalling the Chart

To uninstall/delete the `my-release` deployment:

```bash
$ helm delete my-release
```

The command removes all the Kubernetes components associated with the chart and deletes the release.

## Using PostgreSQL instead of MariaDB

This chart includes the option to use a PostgreSQL database for Redmine instead of MariaDB. To use this, set the `databaseType` parameter to `postgresql`:

```
helm install my-release bitnami/redmine --set databaseType=postgresql
```

## Parameters

The following table lists the configurable parameters of the Redmine chart and their default values.

| Parameter                            | Description                                                                                                                                                                                                                                                                                                                                                                                          | Default                                                 |
|--------------------------------------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|---------------------------------------------------------|
| `global.imageRegistry`               | Global Docker image registr  y                                                                                                                                                                                                                                                                                                                                                                       | `nil`                                                   |
| `global.imagePullSecrets`            | Global Docker registry secret names as an array                                                                                                                                                                                                                                                                                                                                                      | `[]` (does not add image pull secrets to deployed pods) |
| `global.storageClass`                | Global storage class for dynamic provisioning                                                                                                                                                                                                                                                                                                                                                        | `nil`                                                   |
| `image.registry`                     | Redmine image registry                                                                                                                                                                                                                                                                                                                                                                               | `docker.io`                                             |
| `image.repository`                   | Redmine image name                                                                                                                                                                                                                                                                                                                                                                                   | `bitnami/redmine`                                       |
| `image.tag`                          | Redmine image tag                                                                                                                                                                                                                                                                                                                                                                                    | `{TAG_NAME}`                                            |
| `image.pullPolicy`                   | Image pull policy                                                                                                                                                                                                                                                                                                                                                                                    | `IfNotPresent`                                          |
| `image.pullSecrets`                  | Specify docker-registry secret names as an array                                                                                                                                                                                                                                                                                                                                                     | `[]` (does not add image pull secrets to deployed pods) |
| `nameOverride`                       | String to partially override redmine.fullname template                                                                                                                                                                                                                                                                                                                                               | `nil`                                                   |
| `fullnameOverride`                   | String to fully override redmine.fullname template                                                                                                                                                                                                                                                                                                                                                   | `nil`                                                   |
| `updateStrategy.type`                | Update strategy to use for the deployment                                                                                                                                                                                                                                                                                                                                                            | `RollingUpdate`                                         |
| `redmineUsername`                    | User of the application                                                                                                                                                                                                                                                                                                                                                                              | `user`                                                  |
| `redminePassword`                    | Application password                                                                                                                                                                                                                                                                                                                                                                                 | _random 10 character long alphanumeric string_          |
| `redmineEmail`                       | Admin email                                                                                                                                                                                                                                                                                                                                                                                          | `user@example.com`                                      |
| `redmineLanguage`                    | Redmine default data language                                                                                                                                                                                                                                                                                                                                                                        | `en`                                                    |
| `extraVars`                          | Environment variables, passed to redmine                                                                                                                                                                                                                                                                                                                                                             | `nil`                                                   |
| `smtpHost`                           | SMTP host                                                                                                                                                                                                                                                                                                                                                                                            | `nil`                                                   |
| `smtpPort`                           | SMTP port                                                                                                                                                                                                                                                                                                                                                                                            | `nil`                                                   |
| `smtpUser`                           | SMTP user                                                                                                                                                                                                                                                                                                                                                                                            | `nil`                                                   |
| `smtpPassword`                       | SMTP password                                                                                                                                                                                                                                                                                                                                                                                        | `nil`                                                   |
| `smtpTls`                            | Use TLS encryption with SMTP                                                                                                                                                                                                                                                                                                                                                                         | `nil`                                                   |
| `existingSecret`                     | Use existing secret for password details (`redminePassword`, `smtpPassword` and `externalDatabase.password` will be ignored and picked up from this secret). It must contain the keys `redmine-password` and `smtp-password` when `postgresql.enabled=true` or `mariadb.enabled=true`. In case `postgresql.enabled=false` and `mariadb.enabled=false` it must contain the key `external-db-password` | `nil`                                                   |
| `databaseType`                       | Select database type                                                                                                                                                                                                                                                                                                                                                                                 | `mariadb` (allowed values: "mariadb" and "postgresql")  |
| `mariadb.enabled`                    | Whether to deploy a MariaDB server to satisfy the database requirements                                                                                                                                                                                                                                                                                                                              | `true`                                                  |
| `mariadb.existingSecret`             | Optional secret storing the MariaDB passwords                                                                                                                                                                                                                                                                                                                                                        | `nil`                                                   |
| `mariadb.rootUser.password`          | MariaDB admin password                                                                                                                                                                                                                                                                                                                                                                               | `nil`                                                   |
| `postgresql.enabled`                 | Whether to deploy a PostgreSQL server to satisfy the database requirements                                                                                                                                                                                                                                                                                                                           | `false`                                                 |
| `postgresql.postgresqlDatabase`      | PostgreSQL database                                                                                                                                                                                                                                                                                                                                                                                  | `bitnami_redmine`                                       |
| `postgresql.postgresqlUsername`      | PostgreSQL user                                                                                                                                                                                                                                                                                                                                                                                      | `bn_redmine`                                            |
| `postgresql.postgresqlPassword`      | PostgreSQL password                                                                                                                                                                                                                                                                                                                                                                                  | `nil`                                                   |
| `externalDatabase.host`              | Host of the external database                                                                                                                                                                                                                                                                                                                                                                        | `localhost`                                             |
| `externalDatabase.name`              | Name of the external database                                                                                                                                                                                                                                                                                                                                                                        | `localhost`                                             |
| `externalDatabase.user`              | External db user                                                                                                                                                                                                                                                                                                                                                                                     | `user`                                                  |
| `externalDatabase.password`          | Password for the db user                                                                                                                                                                                                                                                                                                                                                                             | `""`                                                    |
| `externalDatabase.port`              | Database port number                                                                                                                                                                                                                                                                                                                                                                                 | `3306`                                                  |
| `service.type`                       | Kubernetes Service type                                                                                                                                                                                                                                                                                                                                                                              | `LoadBalancer`                                          |
| `service.port`                       | Service HTTP port                                                                                                                                                                                                                                                                                                                                                                                    | `80`                                                    |
| `service.nodePorts.http`             | Kubernetes http node port                                                                                                                                                                                                                                                                                                                                                                            | `""`                                                    |
| `service.externalTrafficPolicy`      | Enable client source IP preservation                                                                                                                                                                                                                                                                                                                                                                 | `Cluster`                                               |
| `service.loadBalancerIP`             | LoadBalancer service IP address                                                                                                                                                                                                                                                                                                                                                                      | `""`                                                    |
| `service.loadBalancerSourceRanges`   | An array of load balancer sources                                                                                                                                                                                                                                                                                                                                                                    | `0.0.0.0/0`                                             |
| `serviceAccount.create`              | Specifies whether a ServiceAccount should be created                                                                                                                                                                                                                                                                                                                                                 | `false`                                                 |
| `serviceAccount.name`                | The name of the ServiceAccount to create                                                                                                                                                                                                                                                                                                                                                             | Generated using the `redmine.fullname` macro            |
| `ingress.enabled`                    | Enable ingress controller resource                                                                                                                                                                                                                                                                                                                                                                   | `false`                                                 |
| `ingress.certManager`                | Add annotations for cert-manager                                                                                                                                                                                                                                                                                                                                                                     | `false`                                                 |
| `ingress.hostname`                   | Default host for the ingress resource                                                                                                                                                                                                                                                                                                                                                                | `redmine.local`                                         |
| `ingress.tls`                        | Enable TLS configuration                                                                                                                                                                                                                                                                                                                                                                             | `false`                                                 |
| `ingress.annotations`                | Ingress annotations                                                                                                                                                                                                                                                                                                                                                                                  | `{}`                                                    |
| `ingress.extraHosts[0].name`         | Extra hosts for your Redmine installation                                                                                                                                                                                                                                                                                                                                                            | `nil`                                                   |
| `ingress.extraHosts[0].path`         | Path within the url structure                                                                                                                                                                                                                                                                                                                                                                        | `nil`                                                   |
| `ingress.extraTls[0].hosts[0]`       | Extra TLS hosts                                                                                                                                                                                                                                                                                                                                                                                      | `nil`                                                   |
| `ingress.extraTls[0].secretName`     | TLS Secret (certificates) for extra TLS hosts                                                                                                                                                                                                                                                                                                                                                        | `nil`                                                   |
| `ingress.secrets[0].name`            | TLS Secret Name                                                                                                                                                                                                                                                                                                                                                                                      | `nil`                                                   |
| `ingress.secrets[0].certificate`     | TLS Secret Certificate                                                                                                                                                                                                                                                                                                                                                                               | `nil`                                                   |
| `ingress.secrets[0].key`             | TLS Secret Key                                                                                                                                                                                                                                                                                                                                                                                       | `nil`                                                   |
| `nodeSelector`                       | Node labels for pod assignment                                                                                                                                                                                                                                                                                                                                                                       | `{}` (The value is evaluated as a template)             |
| `tolerations`                        | List of node taints to tolerate                                                                                                                                                                                                                                                                                                                                                                      | `[]` (The value is evaluated as a template)             |
| `affinity`                           | Map of node/pod affinities                                                                                                                                                                                                                                                                                                                                                                           | `{}` (The value is evaluated as a template)             |
| `podAnnotations`                     | Pod annotations                                                                                                                                                                                                                                                                                                                                                                                      | `{}`                                                    |
| `persistence.enabled`                | Enable persistence using PVC                                                                                                                                                                                                                                                                                                                                                                         | `true`                                                  |
| `persistence.existingClaim`          | The name of an existing PVC                                                                                                                                                                                                                                                                                                                                                                          | `nil`                                                   |
| `persistence.storageClass`           | PVC Storage Class                                                                                                                                                                                                                                                                                                                                                                                    | `nil` (uses alpha storage class annotation)             |
| `persistence.accessMode`             | PVC Access Mode                                                                                                                                                                                                                                                                                                                                                                                      | `ReadWriteOnce`                                         |
| `persistence.size`                   | PVC Storage Request                                                                                                                                                                                                                                                                                                                                                                                  | `8Gi`                                                   |
| `podDisruptionBudget.enabled`        | Pod Disruption Budget toggle                                                                                                                                                                                                                                                                                                                                                                         | `false`                                                 |
| `podDisruptionBudget.minAvailable`   | Minimum available pods                                                                                                                                                                                                                                                                                                                                                                               | `nil`                                                   |
| `podDisruptionBudget.maxUnavailable` | Maximum unavailable pods                                                                                                                                                                                                                                                                                                                                                                             | `nil`                                                   |
| `replicas`                           | The number of pod replicas                                                                                                                                                                                                                                                                                                                                                                           | `1`                                                     |
| `resources`                          | Resources allocation (Requests and Limits)                                                                                                                                                                                                                                                                                                                                                           | `{}`                                                    |
| `securityContext`                    | SecurityContext                                                                                                                                                                                                                                                                                                                                                                                      | `{}`                                                    |
| `livenessProbe.enabled`              | would you like a livenessProbe to be enabled                                                                                                                                                                                                                                                                                                                                                         | `true`                                                  |
| `livenessProbe.initialDelaySeconds`  | Delay before liveness probe is initiated                                                                                                                                                                                                                                                                                                                                                             | 300                                                     |
| `livenessProbe.periodSeconds`        | How often to perform the probe                                                                                                                                                                                                                                                                                                                                                                       | 10                                                      |
| `livenessProbe.timeoutSeconds`       | When the probe times out                                                                                                                                                                                                                                                                                                                                                                             | 5                                                       |
| `livenessProbe.successThreshold`     | Minimum consecutive successes for the probe                                                                                                                                                                                                                                                                                                                                                          | 1                                                       |
| `livenessProbe.failureThreshold`     | Minimum consecutive failures for the probe                                                                                                                                                                                                                                                                                                                                                           | 3                                                       |
| `readinessProbe.enabled`             | would you like a readinessProbe to be enabled                                                                                                                                                                                                                                                                                                                                                        | `true`                                                  |
| `readinessProbe.initialDelaySeconds` | Delay before readiness probe is initiated                                                                                                                                                                                                                                                                                                                                                            | 5                                                       |
| `readinessProbe.periodSeconds`       | How often to perform the probe                                                                                                                                                                                                                                                                                                                                                                       | 10                                                      |
| `readinessProbe.timeoutSeconds`      | When the probe times out                                                                                                                                                                                                                                                                                                                                                                             | 1                                                       |
| `readinessProbe.successThreshold`    | Minimum consecutive successes for the probe                                                                                                                                                                                                                                                                                                                                                          | 1                                                       |
| `readinessProbe.failureThreshold`    | Minimum consecutive failures for the probe                                                                                                                                                                                                                                                                                                                                                           | 3                                                       |
| `mailReceiver.enabled`               | Whether to enable scheduled mail-to-task CronJob                                                                                                                                                                                                                                                                                                                                                     | `false`                                                 |
| `mailReceiver.schedule`              | Kubernetes CronJob schedule                                                                                                                                                                                                                                                                                                                                                                          | `*/5 * * * *`                                           |
| `mailReceiver.suspend`               | Whether to create suspended CronJob                                                                                                                                                                                                                                                                                                                                                                  | `true`                                                  |
| `mailReceiver.image.registry`        | Mail to Task image registry                                                                                                                                                                                                                                                                                                                                                                          | `docker.io`                                             |
| `mailReceiver.image.repository`      | Mail to Task image repository                                                                                                                                                                                                                                                                                                                                                                        | `bitnami/redmine`                                       |
| `mailReceiver.image.tag`             | Mail to Task image tag                                                                                                                                                                                                                                                                                                                                                                               | `{TAG_NAME}`                                            |
| `mailReceiver.image.pullPolicy`      | Mail to Task image pull policy                                                                                                                                                                                                                                                                                                                                                                       | `IfNotPresent`                                          |
| `mailReceiver.mailProtocol`          | Mail protocol to use for reading emails: `IMAP` or `POP3`                                                                                                                                                                                                                                                                                                                                            | `IMAP`                                                  |
| `mailReceiver.host`                  | Server to receive emails from                                                                                                                                                                                                                                                                                                                                                                        | `""`                                                    |
| `mailReceiver.port`                  | TCP port on the `host`                                                                                                                                                                                                                                                                                                                                                                               | `143`                                                   |
| `mailReceiver.username`              | Login to authenticate on the `host`                                                                                                                                                                                                                                                                                                                                                                  | `""`                                                    |
| `mailReceiver.password`              | Password to authenticate on the `host`                                                                                                                                                                                                                                                                                                                                                               | `""`                                                    |
| `mailReceiver.ssl`                   | Whether use SSL/TLS to connect to the `host`                                                                                                                                                                                                                                                                                                                                                         | `true`                                                  |
| `mailReceiver.startTLS`              | Whether use StartTLS to connect to the `host`                                                                                                                                                                                                                                                                                                                                                        | `false`                                                 |
| `mailReceiver.imapFolder`            | IMAP only. Folder to read emails from                                                                                                                                                                                                                                                                                                                                                                | `INBOX`                                                 |
| `mailReceiver.moveOnsuccess`         | IMAP only. Folder to move processed emails to                                                                                                                                                                                                                                                                                                                                                        | `""`                                                    |
| `mailReceiver.moveOnFailure`         | IMAP only. Folder to move emails with processing errors to                                                                                                                                                                                                                                                                                                                                           | `""`                                                    |
| `mailReceiver.unknownUserAction`     | Action to perform is an email received from unregistered user                                                                                                                                                                                                                                                                                                                                        | `ignore`                                                |
| `mailReceiver.noPermissionCheck`     | Whether skip permission check during creating a new task                                                                                                                                                                                                                                                                                                                                             | `0`                                                     |
| `mailReceiver.noAccountNotice`       | Whether send an email to an unregistered user created during a new task creation                                                                                                                                                                                                                                                                                                                     | `1`                                                     |
| `mailReceiver.defaultGroup`          | Defines a group list to add created user to                                                                                                                                                                                                                                                                                                                                                          | `""`                                                    |
| `mailReceiver.project`               | Defines identifier of the target project for a new task                                                                                                                                                                                                                                                                                                                                              | `""`                                                    |
| `mailReceiver.projectFromSubaddress` | Defines email address to select project from subaddress                                                                                                                                                                                                                                                                                                                                              | `""`                                                    |
| `mailReceiver.status`                | Defines a new task status                                                                                                                                                                                                                                                                                                                                                                            | `""`                                                    |
| `mailReceiver.tracker`               | Defines a new task tracker                                                                                                                                                                                                                                                                                                                                                                           | `""`                                                    |
| `mailReceiver.category`              | Defines a new task category                                                                                                                                                                                                                                                                                                                                                                          | `""`                                                    |
| `mailReceiver.priority`              | Defines a new task priority                                                                                                                                                                                                                                                                                                                                                                          | `""`                                                    |
| `mailReceiver.assignedTo`            | Defines a new task priority                                                                                                                                                                                                                                                                                                                                                                          | `""`                                                    |
| `mailReceiver.allowOverride`         | Defines if email content is allowed to set attributes values. Values is a comma separated list of attributes or `all` to alllow all attributes                                                                                                                                                                                                                                                       | `""`                                                    |
| `certificates.customCertificate.certificateSecret`   | Secret containing the certificate and key to add                                                                                                                                                                                                                                                                                                                                     | `""`                                                    |
| `certificates.customCertificate.chainSecret.name`    | Name of the secret containing the certificate chain                                                                                                                                                                                                                                                                                                                                  | `""`                                                    |
| `certificates.customCertificate.chainSecret.key`     | Key of the certificate chain file inside the secret                                                                                                                                                                                                                                                                                                                                  | `""`                                                    |
| `certificates.customCertificate.certificateLocation` | Location in the container to store the certificate                                                                                                                                                                                                                                                                                                                                   | `/etc/ssl/certs/ssl-cert-snakeoil.pem`                  |
| `certificates.customCertificate.keyLocation`         | Location in the container to store the private key                                                                                                                                                                                                                                                                                                                                   | `/etc/ssl/private/ssl-cert-snakeoil.key`                |
| `certificates.customCertificate.chainLocation`       | Location in the container to store the certificate chain                                                                                                                                                                                                                                                                                                                             | `/etc/ssl/certs/chain.pem`                              |
| `certificates.customCA`              | Defines a list of secrets to import into the container trust store                                                                                                                                                                                                                                                                                                                                   | `[]`                                                    |
| `certificates.image.registry`        | Container sidecar registry                                                                                                                                                                                                                                                                                                                                                                           | `docker.io`                                             |
| `certificates.image.repository`      | Container sidecar image                                                                                                                                                                                                                                                                                                                                                                              | `bitnami/minideb`                                       |
| `certificates.image.tag`             | Container sidecar image tag                                                                                                                                                                                                                                                                                                                                                                          | `buster`                                                |
| `certificates.image.pullPolicy`      | Container sidecar image pull policy                                                                                                                                                                                                                                                                                                                                                                  | `IfNotPresent`                                          |
| `certificates.image.pullSecrets`     | Container sidecar image pull secrets                                                                                                                                                                                                                                                                                                                                                                 | `image.pullSecrets`                                     |
| `certificates.extraEnvVars`          | Container sidecar extra environment variables (eg proxy)                                                                                                                                                                                                                                                                                                                                             | `[]`                                                    |


The above parameters map to the env variables defined in [bitnami/redmine](http://github.com/bitnami/bitnami-docker-redmine). For more information please refer to the [bitnami/redmine](http://github.com/bitnami/bitnami-docker-redmine) image documentation.

Specify each parameter using the `--set key=value[,key=value]` argument to `helm install`. For example,

```bash
$ helm install my-release \
  --set redmineUsername=admin,redminePassword=password,mariadb.mariadbRootPassword=secretpassword \
    bitnami/redmine
```

The above command sets the Redmine administrator account username and password to `admin` and `password` respectively. Additionally, it sets the MariaDB `root` user password to `secretpassword`.

Alternatively, a YAML file that specifies the values for the above parameters can be provided while installing the chart. For example,

```bash
$ helm install my-release -f values.yaml bitnami/redmine
```

> **Tip**: You can use the default [values.yaml](values.yaml)

## Configuration and installation details

### [Rolling VS Immutable tags](https://docs.bitnami.com/containers/how-to/understand-rolling-tags-containers/)

It is strongly recommended to use immutable tags in a production environment. This ensures your deployment does not change automatically if the same tag is updated with a different image.

Bitnami will release a new chart updating its containers if a new version of the main container, significant changes, or critical vulnerabilities exist.

### Replicas

Redmine writes uploaded files to a persistent volume. By default that volume cannot be shared between pods (RWO). In such a configuration the `replicas` option must be set to `1`. If the persistent volume supports more than one writer (RWX), ie NFS, `replicas` can be greater than `1`.

## Persistence

The [Bitnami Redmine](https://github.com/bitnami/bitnami-docker-redmine) image stores the Redmine data and configurations at the `/bitnami/redmine` path of the container.

Persistent Volume Claims are used to keep the data across deployments. This is known to work in GCE, AWS, and minikube. The volume is created using dynamic volume provisioning. Clusters configured with NFS mounts require manually managed volumes and claims.

See the [Parameters](#parameters) section to configure the PVC or to disable persistence.

### Existing PersistentVolumeClaims

The following example includes two PVCs, one for Redmine and another for MariaDB.

1. Create the PersistentVolume
1. Create the PersistentVolumeClaim
1. Create the directory, on a worker
1. Install the chart

```bash
$ helm install test --set persistence.existingClaim=PVC_REDMINE,mariadb.persistence.existingClaim=PVC_MARIADB bitnami/redmine
```

## Certificates

### CA Certificates

Custom CA certificates not included in the base docker image can be added with
the following configuration. The secret must exist in the same namespace as the
deployment. Will load all certificates files it finds in the secret.

```yaml
certificates:
  customCAs:
  - secret: my-ca-1
  - secret: my-ca-2
```

#### Secret

Secret can be created with:

```bash
kubectl create secret generic my-ca-1 --from-file my-ca-1.crt
```

### TLS Certificate

A web server TLS Certificate can be injected into the container with the
following configuration. The certificate will be stored at the location
specified in the certificateLocation value.

```yaml
certificates:
  customCertificate:
    certificateSecret: my-secret
    certificateLocation: /ssl/server.pem
    keyLocation: /ssl/key.pem
    chainSecret:
      name: my-cert-chain
      key: chain.pem
```

#### Secret

The certificate tls secret can be created with:

```bash
kubectl create secret tls my-secret --cert tls.crt --key tls.key
```

The certificate chain is created with:

```bash
kubectl create secret generic my-cert-chain --from-file chain.pem
```

## Upgrading

### 14.0.0

- Backwards compatibility is not guaranteed unless you modify the labels used on the chart's deployments.
- The `databaseType` parameters is no longer an object but a string. Allowed values are "mariadb" and "postgresql".
- Ingress configuration was standardized to simplify the way to configure the main host.
- Ports names were prefixed with the protocol to comply with Istio (see https://istio.io/docs/ops/deployment/requirements/).

### 13.0.0

Helm performs a lookup for the object based on its group (apps), version (v1), and kind (Deployment). Also known as its GroupVersionKind, or GVK. Changing the GVK is considered a compatibility breaker from Kubernetes' point of view, so you cannot "upgrade" those objects to the new GVK in-place. Earlier versions of Helm 3 did not perform the lookup correctly which has since been fixed to match the spec.

In https://github.com/helm/charts/pull/17309 the `apiVersion` of the deployment resources was updated to `apps/v1` in tune with the api's deprecated, resulting in compatibility breakage.

This major version signifies this change.

### To 5.0.0

Backwards compatibility is not guaranteed unless you modify the labels used on the chart's deployments.
Use the workaround below to upgrade from versions previous to 5.0.0. The following example assumes that the release name is redmine:

```console
$ kubectl patch deployment redmine-redmine --type=json -p='[{"op": "remove", "path": "/spec/selector/matchLabels/chart"}]'
# If using postgresql as database
$ kubectl patch deployment redmine-postgresql --type=json -p='[{"op": "remove", "path": "/spec/selector/matchLabels/chart"}]'
# If using mariadb as database
$ kubectl delete statefulset redmine-mariadb --cascade=false
```
