diff --git a/bitnami/postgresql/12/debian-10/Dockerfile b/bitnami/postgresql/12/debian-10/Dockerfile
index 4ff3e56651ac..e55990657d4e 100644
--- a/bitnami/postgresql/12/debian-10/Dockerfile
+++ b/bitnami/postgresql/12/debian-10/Dockerfile
@@ -9,7 +9,7 @@ ENV HOME="/" \
 COPY prebuildfs /
 # Install required system packages and dependencies
 RUN install_packages acl ca-certificates curl gzip libbsd0 libbz2-1.0 libc6 libedit2 libffi6 libgcc1 libgmp10 libgnutls30 libhogweed4 libicu63 libidn2-0 libldap-2.4-2 liblz4-1 liblzma5 libnettle6 libp11-kit0 libpcre3 libreadline7 libsasl2-2 libsqlite3-0 libssl1.1 libstdc++6 libtasn1-6 libtinfo6 libunistring2 libuuid1 libxml2 libxslt1.1 libzstd1 locales procps tar zlib1g
-RUN . /opt/bitnami/scripts/libcomponent.sh && component_unpack "postgresql" "12.8.0-2" --checksum 46f233e122f2aa20e3d9137de84af96b57cfc502975eb4f10afeb2a43911a0d6
+RUN . /opt/bitnami/scripts/libcomponent.sh && component_unpack "postgresql" "12.8.0-3" --checksum 0ad53eb0846c8b318609bc92880fd87254b3203d3a7c27bcd36ee64ed2640cf0
 RUN . /opt/bitnami/scripts/libcomponent.sh && component_unpack "gosu" "1.14.0-0" --checksum 3e6fc37ca073b10a73a804d39c2f0c028947a1a596382a4f8ebe43dfbaa3a25e
 RUN chmod g+rwX /opt/bitnami
 RUN localedef -c -f UTF-8 -i en_US en_US.UTF-8
@@ -22,7 +22,7 @@ COPY rootfs /
 RUN /opt/bitnami/scripts/postgresql/postunpack.sh
 RUN /opt/bitnami/scripts/locales/add-extra-locales.sh
 ENV BITNAMI_APP_NAME="postgresql" \
-    BITNAMI_IMAGE_VERSION="12.8.0-debian-10-r33" \
+    BITNAMI_IMAGE_VERSION="12.8.0-debian-10-r34" \
     LANG="en_US.UTF-8" \
     LANGUAGE="en_US:en" \
     NSS_WRAPPER_LIB="/opt/bitnami/common/lib/libnss_wrapper.so" \
diff --git a/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/.bitnami_components.json b/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/.bitnami_components.json
index 693bbe4175fb..1c5655d518a0 100644
--- a/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/.bitnami_components.json
+++ b/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/.bitnami_components.json
@@ -8,9 +8,9 @@
     },
     "postgresql": {
         "arch": "amd64",
-        "digest": "46f233e122f2aa20e3d9137de84af96b57cfc502975eb4f10afeb2a43911a0d6",
+        "digest": "0ad53eb0846c8b318609bc92880fd87254b3203d3a7c27bcd36ee64ed2640cf0",
         "distro": "debian-10",
         "type": "NAMI",
-        "version": "12.8.0-2"
+        "version": "12.8.0-3"
     }
 }
\ No newline at end of file
diff --git a/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libos.sh b/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libos.sh
index a8323db72d93..4265aae0a673 100644
--- a/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libos.sh
+++ b/bitnami/postgresql/12/debian-10/prebuildfs/opt/bitnami/scripts/libos.sh
@@ -141,10 +141,51 @@ am_i_root() {
     if [[ "$(id -u)" = "0" ]]; then
         true
     else
-	false
+        false
     fi
 }
 
+########################
+# Print OS metadata
+# Arguments:
+#   $1 - Flag name
+# Flags:
+#   --id - Distro ID
+#   --version - Distro version
+#   --branch - Distro branch
+#   --codename - Distro codename
+# Returns:
+#   String
+#########################
+get_os_metadata() {
+    local -r flag_name="${1:?missing flag}"
+    # Helper function
+    get_os_release_metadata() {
+        local -r env_name="${1:?missing environment variable name}"
+        (
+            . /etc/os-release
+            echo "${!env_name}"
+        )
+    }
+    case "$flag_name" in
+        --id)
+            get_os_release_metadata ID
+            ;;
+        --version)
+            get_os_release_metadata VERSION_ID
+            ;;
+        --branch)
+            get_os_release_metadata VERSION_ID | sed 's/\..*//'
+            ;;
+        --codename)
+            get_os_release_metadata VERSION_CODENAME
+            ;;
+        *)
+            error "Unknown flag ${flag_name}"
+            return 1
+    esac
+}
+
 ########################
 # Get total memory available
 # Arguments:
diff --git a/bitnami/postgresql/README.md b/bitnami/postgresql/README.md
index 801f153aba32..45d59958ca0a 100644
--- a/bitnami/postgresql/README.md
+++ b/bitnami/postgresql/README.md
@@ -45,7 +45,7 @@ Learn more about the Bitnami tagging policy and the difference between rolling t
 
 
 * [`13`, `13-debian-10`, `13.4.0`, `13.4.0-debian-10-r33` (13/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/13.4.0-debian-10-r33/13/debian-10/Dockerfile)
-* [`12`, `12-debian-10`, `12.8.0`, `12.8.0-debian-10-r33` (12/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/12.8.0-debian-10-r33/12/debian-10/Dockerfile)
+* [`12`, `12-debian-10`, `12.8.0`, `12.8.0-debian-10-r34` (12/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/12.8.0-debian-10-r34/12/debian-10/Dockerfile)
 * [`11`, `11-debian-10`, `11.13.0`, `11.13.0-debian-10-r33`, `latest` (11/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/11.13.0-debian-10-r33/11/debian-10/Dockerfile)
 * [`10`, `10-debian-10`, `10.18.0`, `10.18.0-debian-10-r33` (10/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/10.18.0-debian-10-r33/10/debian-10/Dockerfile)
 * [`9.6`, `9.6-debian-10`, `9.6.23`, `9.6.23-debian-10-r33` (9.6/debian-10/Dockerfile)](https://github.com/bitnami/bitnami-docker-postgresql/blob/9.6.23-debian-10-r33/9.6/debian-10/Dockerfile)