Make It Possible to Version Container Images

This avoids us being stuck in the maintainability hell that otherwise would result from using `latest`.

nextcloud-aks/config.example.env

@@ -33,6 +33,18 @@ LOCATION="West US 2"
 #
 POD_TYPE="apache"
 
+##
+# The default container version to publish and pull down.
+#
+# This can be overridden on the command-line by prefixing each command with it.
+# For example:
+# ```
+# CONTAINER_VERSION=1.0.0 ./publish_container_images.sh
+# CONTAINER_VERSION=1.0.0 ./deploy_nextcloud_app.sh
+# ```
+#
+CONTAINER_VERSION="${CONTAINER_VERSION:-latest}"
+
 ################################################################################
 # Kubernetes Cluster Settings
 ################################################################################

nextcloud-aks/configs/nextcloud-apache.template.yaml

@@ -25,7 +25,7 @@ spec:
       containers:
         # Container: The Apache-based Nextcloud backend
         - name: backend-nextcloud-apache
-          image: "${REGISTRY_HOST}/inveniem/nextcloud-apache:latest"
+          image: "${REGISTRY_HOST}/inveniem/nextcloud-apache:${CONTAINER_VERSION}"
           imagePullPolicy: Always
           ports:
             - containerPort: 80

nextcloud-aks/configs/nextcloud-fpm-nginx.template.yaml

@@ -25,7 +25,7 @@ spec:
       containers:
         # Container: The PHP-FPM-based Nextcloud backend
         - name: backend-nextcloud-fpm
-          image: "${REGISTRY_HOST}/inveniem/nextcloud-fpm:latest"
+          image: "${REGISTRY_HOST}/inveniem/nextcloud-fpm:${CONTAINER_VERSION}"
           imagePullPolicy: Always
           resources:
             requests:
@@ -129,7 +129,7 @@ spec:
               value: "DHE-RSA-AES256-GCM-SHA384:DHE-RSA-AES128-GCM-SHA256:ECDHE-RSA-AES256-GCM-SHA384:ECDHE-RSA-AES128-GCM-SHA256:DHE-RSA-AES256-SHA256:DHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA384:ECDHE-RSA-AES128-SHA256:ECDHE-RSA-AES256-SHA:ECDHE-RSA-AES128-SHA:DHE-RSA-AES256-SHA:DHE-RSA-AES128-SHA"
         # Container: Nginx Server Middleware
         - name: middle-nextcloud-nginx
-          image: "${REGISTRY_HOST}/inveniem/nextcloud-nginx-middleware:latest"
+          image: "${REGISTRY_HOST}/inveniem/nextcloud-nginx-middleware:${CONTAINER_VERSION}"
           imagePullPolicy: Always
           ports:
             - containerPort: 80

nextcloud-aks/docker/backend-nextcloud-apache/publish.sh

@@ -12,13 +12,14 @@
 set -e
 set -u
 
-CONTAINER_NAME="inveniem/nextcloud-apache:latest"
-
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 cd "${SCRIPT_DIR}"
 
 source '../../config.env'
 
+CONTAINER_VERSION="${CONTAINER_VERSION:-latest}"
+CONTAINER_NAME="inveniem/nextcloud-apache:${CONTAINER_VERSION}"
+
 ../nextcloud-common/generate_nr_setup_command.sh
 
 docker build -t "${CONTAINER_NAME}" -f Dockerfile ..

nextcloud-aks/docker/backend-nextcloud-fpm/publish.sh

@@ -12,13 +12,14 @@
 set -e
 set -u
 
-CONTAINER_NAME="inveniem/nextcloud-fpm:latest"
-
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 cd "${SCRIPT_DIR}"
 
 source '../../config.env'
 
+CONTAINER_VERSION="${CONTAINER_VERSION:-latest}"
+CONTAINER_NAME="inveniem/nextcloud-fpm:${CONTAINER_VERSION}"
+
 ../nextcloud-common/generate_nr_setup_command.sh
 
 docker build -t "${CONTAINER_NAME}" -f Dockerfile ..

nextcloud-aks/docker/middle-nextcloud-nginx/publish.sh

@@ -12,13 +12,14 @@
 set -e
 set -u
 
-CONTAINER_NAME="inveniem/nextcloud-nginx-middleware:latest"
-
 SCRIPT_DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
 cd "${SCRIPT_DIR}"
 
 source '../../config.env'
 
+CONTAINER_VERSION="${CONTAINER_VERSION:-latest}"
+CONTAINER_NAME="inveniem/nextcloud-nginx-middleware:${CONTAINER_VERSION}"
+
 docker build -t "${CONTAINER_NAME}" .
 docker tag "${CONTAINER_NAME}" "${REGISTRY_HOST}/${CONTAINER_NAME}"