Update github actions image publishing

.github/workflows/docker-publish.yml

@@ -1,40 +1,29 @@
-name: Docker
+name: Publish Docker Image
 
 on:
   push:
-    # Publish `main` as Docker `latest` image.
-    branches:
-      - main
-      - dev
-
-    # Publish `v1.2.3` tags as releases.
-    tags:
-      - v*
-
-  # Run tests for any PRs.
-  pull_request:
+    branches: ['main', 'dev']
 
 env:
-  IMAGE_NAME: fin-biodiv-indicators
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
 
 jobs:
-  # Run tests.
-  # See also https://docs.docker.com/docker-hub/builds/automated-testing/
-  test:
+  build-and-push-image:
     runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
 
     steps:
-      - uses: actions/checkout@v4
+      - name: Checkout repository
+        uses: actions/checkout@v4
 
       - name: Run tests
         run: |
-          if [ -f docker-compose.test.yml ]; then
-            docker-compose --file docker-compose.test.yml build
-            mkdir -p cov
-            docker-compose --file docker-compose.test.yml run -u $(id -u) sut
-          else
-            docker build . --file Dockerfile
-          fi
+          docker-compose --file docker-compose.test.yml build
+          mkdir -p cov
+          docker-compose --file docker-compose.test.yml run -u $(id -u) sut
 
       - name: Archive code coverage results
         uses: actions/upload-artifact@v4
@@ -44,42 +33,25 @@ jobs:
             cov/code-coverage.html
             cov/lib
 
-  # Push image to GitHub Packages.
-  # See also https://docs.docker.com/docker-hub/builds/
-  push:
-    # Ensure test job passes before pushing image.
-    needs: test
-
-    runs-on: ubuntu-latest
-    if: github.event_name == 'push'
-
-    steps:
-      - uses: actions/checkout@v4
-
-      - name: Build image
-        run: docker build . --file Dockerfile --tag $IMAGE_NAME
-
-      - name: Log into GitHub Container Registry
-        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login https://ghcr.io -u ${{ github.actor }} --password-stdin
-
-      - name: Push image to GitHub Container Registry
-        run: |
-          IMAGE_ID=ghcr.io/${{ github.repository_owner }}/$IMAGE_NAME
-
-          # Change all uppercase to lowercase
-          IMAGE_ID=$(echo $IMAGE_ID | tr '[A-Z]' '[a-z]')
-
-          # Strip git ref prefix from version
-          VERSION=$(echo "${{ github.ref }}" | sed -e 's,.*/\(.*\),\1,')
-
-          # Strip "v" prefix from tag name
-          [[ "${{ github.ref }}" == "refs/tags/"* ]] && VERSION=$(echo $VERSION | sed -e 's/^v//')
-
-          # Use Docker `latest` tag convention
-          [ "$VERSION" == "main" ] && VERSION=latest
-
-          echo IMAGE_ID=$IMAGE_ID
-          echo VERSION=$VERSION
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
 
-          docker tag $IMAGE_NAME $IMAGE_ID:$VERSION
-          docker push $IMAGE_ID:$VERSION
+      - name: Buildah Action
+        id: build_image
+        uses: redhat-actions/buildah-build@v2
+        with:
+          image: ${{ env.IMAGE_NAME }}
+          tags: ${{ steps.meta.outputs.tags }}
+          oci: false
+          containerfiles: |
+            ./Dockerfile
+
+      - name: Push To GHCR
+        uses: redhat-actions/push-to-registry@v2
+        with:
+          tags: ${{ steps.build_image.outputs.tags }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}