deprecate branch 1.20 (#37)

Signed-off-by: mauraza <gibone@vmware.com>

bitnami/kubectl/1.20/debian-10/Dockerfile

@@ -1,27 +0,0 @@
-FROM docker.io/bitnami/minideb:buster
-LABEL maintainer "Bitnami <containers@bitnami.com>"
-
-ENV HOME="/" \
-    OS_ARCH="amd64" \
-    OS_FLAVOUR="debian-10" \
-    OS_NAME="linux"
-
-COPY prebuildfs /
-# Install required system packages and dependencies
-RUN install_packages ca-certificates curl gzip jq procps tar wget
-RUN wget -nc -P /tmp/bitnami/pkg/cache/ https://downloads.bitnami.com/files/stacksmith/kubectl-1.20.15-6-linux-amd64-debian-10.tar.gz && \
-    echo "92b784ec56639bfb81a329034e72be588a957f32b2dc8d91a171078503ffe2c3  /tmp/bitnami/pkg/cache/kubectl-1.20.15-6-linux-amd64-debian-10.tar.gz" | sha256sum -c - && \
-    tar -zxf /tmp/bitnami/pkg/cache/kubectl-1.20.15-6-linux-amd64-debian-10.tar.gz -P --transform 's|^[^/]*/files|/opt/bitnami|' --wildcards '*/files' && \
-    rm -rf /tmp/bitnami/pkg/cache/kubectl-1.20.15-6-linux-amd64-debian-10.tar.gz
-RUN apt-get update && apt-get upgrade -y && \
-    rm -r /var/lib/apt/lists /var/cache/apt/archives
-RUN chmod g+rwX /opt/bitnami
-RUN mkdir /.kube && chmod g+rwX /.kube
-
-ENV BITNAMI_APP_NAME="kubectl" \
-    BITNAMI_IMAGE_VERSION="1.20.15-debian-10-r59" \
-    PATH="/opt/bitnami/kubectl/bin:$PATH"
-
-USER 1001
-ENTRYPOINT [ "kubectl" ]
-CMD [ "--help" ]

bitnami/kubectl/1.20/debian-10/docker-compose.yml

@@ -1,4 +0,0 @@
-version: '2'
-services:
-  kubectl:
-    image: docker.io/bitnami/kubectl:1.20

bitnami/kubectl/1.20/debian-10/prebuildfs/opt/bitnami/.bitnami_components.json

@@ -1,9 +0,0 @@
-{
-    "kubectl": {
-        "arch": "amd64",
-        "digest": "92b784ec56639bfb81a329034e72be588a957f32b2dc8d91a171078503ffe2c3",
-        "distro": "debian-10",
-        "type": "NAMI",
-        "version": "1.20.15-6"
-    }
-}

bitnami/kubectl/1.20/debian-10/prebuildfs/opt/bitnami/licenses/licenses.txt

@@ -1,3 +0,0 @@
-Bitnami containers ship with software bundles. You can find the licenses under:
-/opt/bitnami/nami/COPYING
-/opt/bitnami/[name-of-bundle]/licenses/[bundle-version].txt

bitnami/kubectl/1.20/debian-10/prebuildfs/usr/sbin/install_packages

@@ -1,24 +0,0 @@
-#!/bin/sh
-set -e
-set -u
-export DEBIAN_FRONTEND=noninteractive
-n=0
-max=2
-until [ $n -gt $max ]; do
-    set +e
-    (
-      apt-get update -qq &&
-      apt-get install -y --no-install-recommends "$@"
-    )
-    CODE=$?
-    set -e
-    if [ $CODE -eq 0 ]; then
-        break
-    fi
-    if [ $n -eq $max ]; then
-        exit $CODE
-    fi
-    echo "apt failed, retrying"
-    n=$(($n + 1))
-done
-rm -r /var/lib/apt/lists /var/cache/apt/archives

bitnami/kubectl/README.md

@@ -34,7 +34,6 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 * [`1.23`, `1.23-debian-10`, `1.23.5`, `1.23.5-debian-10-r1`, `latest` (1.23/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-kubectl/blob/1.23.5-debian-10-r1/1.23/debian-10/Dockerfile)
 * [`1.22`, `1.22-debian-10`, `1.22.8`, `1.22.8-debian-10-r1` (1.22/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-kubectl/blob/1.22.8-debian-10-r1/1.22/debian-10/Dockerfile)
 * [`1.21`, `1.21-debian-10`, `1.21.11`, `1.21.11-debian-10-r1` (1.21/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-kubectl/blob/1.21.11-debian-10-r1/1.21/debian-10/Dockerfile)
-* [`1.20`, `1.20-debian-10`, `1.20.15`, `1.20.15-debian-10-r59` (1.20/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-kubectl/blob/1.20.15-debian-10-r59/1.20/debian-10/Dockerfile)
 
 Subscribe to project updates by watching the [bitnami/kubectl GitHub repo](https://github.com/bitnami/bitnami-docker-kubectl).
 
@@ -78,10 +77,6 @@ It's possible to load your own configuration, which is useful if you want to con
 $ docker run --rm --name kubectl -v /path/to/your/kube/config:/.kube/config bitnami/kubectl:latest
 ```
 
-## Branch Deprecation Notice
-
-Kubectl's branch 1.20 is no longer maintained by upstream and is now internally tagged as to be deprecated. This branch will no longer be released in our catalog a month after this notice is published, but already released container images will still persist in the registries. Valid to be removed starting on: 03-21-2022
-
 ## Contributing
 
 We'd love for you to contribute to this container. You can request new features by creating an [issue](https://github.com/bitnami/bitnami-docker-kubectl/issues), or submit a [pull request](https://github.com/bitnami/bitnami-docker-kubectl/pulls) with your contribution.