CI: Docker improvements

- Multiple arches in the docker image
- Use the docker@metadata-action github action to create the tags and labels
- Push to Docker Hub and Github Container Repository

.github/workflows/publish.yml

@@ -4,7 +4,11 @@ on:
   push:
     branches:
       - main
-      - dev-q22023
+    tags:
+      - "v*"
+  pull_request:
+    branches:
+      - main
 
 permissions:
   id-token: write
@@ -49,22 +53,43 @@ jobs:
       - name: ⬇️ Checkout repo
         uses: actions/checkout@v3
 
-      - name: Set up Docker Buildx
+      - name: 🐳 Generate Docker metadata
+        id: meta
+        uses: docker/metadata-action@v4
+        with:
+          images: |
+            ${{ github.repository }}
+            ghcr.io/${{ github.repository }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+
+      - name: 🐳 Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
 
-      - name: Login to GitHub Container Registry
+      - name: 🐳 Login to Docker Hub
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: 🐙 Login to GitHub Container Registry
         uses: docker/login-action@v2
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Build and push
+      - name: 🐳 Build and push
         uses: docker/build-push-action@v4
         with:
           context: .
           file: ./docker/Dockerfile
-          push: true
-          tags: ghcr.io/${{ github.repository }}:latest
+          push: ${{ github.event_name != 'pull_request' }}
+          platforms: linux/amd64,linux/arm64
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
           cache-from: type=registry,ref=ghcr.io/${{ github.repository }}:latest
           cache-to: type=inline