Add Github Action to build and push image

.github/workflows/docker-release.yml

@@ -0,0 +1,41 @@
+on: push
+
+name: Docker build and push
+jobs:
+
+  build:
+    name: Docker build and push
+    # Only run on default branch.
+    if: >
+      ${{ github.ref == format('refs/heads/{0}', github.event.repository.default_branch) }}
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Docker Buildx
+      id: buildx
+      uses: docker/setup-buildx-action@master
+    - name: Login to DockerHub
+      uses: docker/login-action@v1
+      with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v1
+      with:
+        registry: ghcr.io
+        username: ${{ github.repository_owner }}
+        password: ${{ github.token }}
+    - name: Build and push Docker images
+      uses: docker/build-push-action@v2
+      with:
+        file: Dockerfile
+        builder: ${{ steps.buildx.outputs.name }}
+        push: true
+        context: .
+        labels: |
+          org.opencontainers.image.source=https://github.com/${{ github.repository }}
+          org.opencontainers.image.version=${{ github.sha }}
+          org.opencontainers.image.revision=${{ github.sha }}
+        tags: |
+          ghcr.io/${{ github.repository }}:latest
+          reload/drupal-apache-fpm:latest