Update workflow publish container images

.github/workflows/docker-release.yml

@@ -0,0 +1,37 @@
+---
+name: Publish container images to Docker Hub
+
+on: workflow_dispatch  # Only triggered manually, must be done from a semantic version tag
+
+jobs:
+  push_to_registry:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        include:
+          - env:
+              IMAGE_EDITION: community
+              IMAGE_SUFFIX:
+          - env:
+              IMAGE_EDITION: developer
+              IMAGE_SUFFIX: -developer
+    steps:
+      - uses: actions/checkout@v4
+
+      - id: semver
+        name: Ensure that selected tag is a semantic version
+        uses: matt-usurp/validate-semver@v2
+        with:
+          version: ${{ github.ref }}
+
+      - uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Package and push container to Docker Hub
+        if: ${{ github.ref_type == "tag" }}
+        run: |
+          export CONTAINER_TAG="${{ steps.semver.outputs.version }}${{ matrix.env.IMAGE_SUFFIX }}"
+          docker build --build-arg="IMAGE_EDITION=${{ matrix.env.IMAGE_EDITION }}" -t ictu/sonar:${CONTAINER_TAG} .
+          docker push ictu/sonar:${CONTAINER_TAG}

.github/workflows/helm-release.yml

@@ -1,5 +1,5 @@
 ---
-name: Release Helm chart
+name: Release Helm chart to Docker Hub
 
 on: workflow_dispatch  # Only triggered manually
 
@@ -9,8 +9,7 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
-      - name: Login to Docker Hub
-        uses: docker/login-action@v3
+      - uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}

MAINTENANCE.md

@@ -9,14 +9,10 @@
     1. Obtain the base version numbers from the vanilla SonarQube image directory `/opt/sonarqube/lib/extensions`, excluding build number
     1. Update the config rules version number `rules_version` if the rules have been changed
 1. Check for any runtime errors and warnings in the container logs
-1. Create new version tags on github
-    1. `MAJOR.MINOR.PATCH`
-    1. `MAJOR.MINOR.PATCH-developer`
-1. Build and push new images to docker hub with [CircleCI](https://app.circleci.com/pipelines/github/ICTU/sonar)
-1. Update helm `Chart.yaml` with the new chart versions, corresponding with the new `appVersion`
-1. Update the helm `values.yaml` with the new `ictu/sonar` image tag
-1. Push the new chart as OCI artifact to docker hub `ictu/ictu-sonarqube`, with the GitHub action
-
+1. Create new version tag on github, following semantic versioning as: `MAJOR.MINOR.PATCH`
+1. Build and push new container images to Docker Hub `ictu/sonar`, with the [docker release GitHub action](https://github.com/ICTU/sonar/actions/workflows/docker-release.yml)
+1. Push the updated helm chart as OCI artifact to Docker Hub `ictu/ictu-sonarqube`, with the [helm release GitHub action](https://github.com/ICTU/sonar/actions/workflows/helm-release.yml)
+1. Update the Docker Hub overview pages if README content has changed
 
 ## Adding plugins