Trying a completely new Docker CI

.github/workflows/docker.yml

@@ -25,34 +25,50 @@ jobs:
           path: ./out/
           key: ${{ github.sha }}
 
-  push:
+  docker:
     runs-on: ubuntu-latest
-    needs: [build]
-    permissions:
-      packages: write
-      contents: read
-
     steps:
-      - uses: actions/checkout@v3
-      - uses: actions/cache@v2
-        id: restore-build
+      - name: Checkout
+        uses: actions/checkout@v2
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v4
         with:
-          path: ./out/
-          key: ${{ github.sha }}
-
+          # list of Docker images to use as base name for tags
+          images: |
+            ajnart/mhp
+            ghcr.io/ajnart/mhp
+          # generate Docker tags based on the following events/attributes
+          tags: |
+            type=schedule
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
+            type=semver,pattern={{major}}
+            type=sha
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v2
-
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2
-
-      - name: Log in to registry
-        run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u $ --password-stdin
-
+      - name: Login to DockerHub
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+      - name: Login to GHCR
+        if: github.event_name != 'pull_request'
+        uses: docker/login-action@v2
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
       - name: Build and push
         uses: docker/build-push-action@v3
         with:
-          context: .
           platforms: linux/amd64,linux/arm64,linux/arm/v7
-          push: true
-          tags: [ghcr.io/ajnart/mhp:latest, ghcr.io/ajnart/mhp:${{ github.ref }}]
+          context: .
+          push: ${{ github.event_name != 'pull_request' }}
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}