PoC showcasing different registries

.github/workflows/deploy.yml

@@ -10,129 +10,71 @@ on:
 # as this will break the latest and major tags
 
 jobs:
-  docker-build:
-    name: Build Docker
-    runs-on: ${{ matrix.arch.os }}
+  container-image-build-push:
+    name: Build and Push container Image
     if: |
       github.repository_owner == 'wg-easy' &&
       startsWith(github.ref, 'refs/tags/v')
     permissions:
       packages: write
-    strategy:
-      fail-fast: false
-      matrix:
-        arch:
-          - platform: linux/amd64
-            os: ubuntu-latest
-          - platform: linux/arm64
-            os: ubuntu-24.04-arm
-          - platform: linux/arm/v7
-            os: ubuntu-24.04-arm
     steps:
       - uses: actions/checkout@v5
 
-      - name: Prepare
-        run: |
-          platform=${{ matrix.arch.platform }}
-          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
-
-      - name: Docker meta
-        id: meta
-        uses: docker/metadata-action@v5
-        with:
-          images: |
-            ghcr.io/wg-easy/wg-easy
-          flavor: |
-            latest=false
-
-      - name: Login to GitHub Container Registry
-        uses: docker/login-action@v3
-        with:
-          registry: ghcr.io
-          username: ${{ github.actor }}
-          password: ${{ secrets.GITHUB_TOKEN }}
-
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
-      - name: Build and push by digest
-        id: build
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          platforms: ${{ matrix.arch.platform }}
-          labels: ${{ steps.meta.outputs.labels }}
-          tags: ghcr.io/wg-easy/wg-easy
-          outputs: type=image,push-by-digest=true,name-canonical=true,push=true
-          cache-from: type=gha,scope=build-${{ env.PLATFORM_PAIR }}
-          cache-to: type=gha,mode=min,scope=build-${{ env.PLATFORM_PAIR }}
-
-      - name: Export digest
-        run: |
-          mkdir -p ${{ runner.temp }}/digests
-          digest="${{ steps.build.outputs.digest }}"
-          touch "${{ runner.temp }}/digests/${digest#sha256:}"
-
-      - name: Upload digest
-        uses: actions/upload-artifact@v4
-        with:
-          name: digests-${{ env.PLATFORM_PAIR }}
-          path: ${{ runner.temp }}/digests/*
-          if-no-files-found: error
-          retention-days: 1
-
-  docker-merge:
-    name: Merge & Deploy Docker
-    runs-on: ubuntu-latest
-    if: |
-      github.repository_owner == 'wg-easy' &&
-      startsWith(github.ref, 'refs/tags/v')
-    permissions:
-      packages: write
-    needs: docker-build
-    steps:
-      - name: Download digests
-        uses: actions/download-artifact@v5
+      - name: Login to DockerHub
+        uses: docker/login-action@v3
         with:
-          path: ${{ runner.temp }}/digests
-          pattern: digests-*
-          merge-multiple: true
+          username: ${{ secrets.DOCKERHUB_USERNAME }} # TODO
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
       
-      - name: Login to GitHub Container Registry
+      - name: Login to ghcr.io
         uses: docker/login-action@v3
         with:
           registry: ghcr.io
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
 
-      - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v3
-
-      - name: Docker meta
+      - name: Extract metadata (tags, labels) for Docker
         id: meta
         uses: docker/metadata-action@v5
         with:
+          # TODO Check if this is the correct image
           images: |
-            ghcr.io/wg-easy/wg-easy
-          flavor: |
-            latest=false
+            ${{ secrets.DOCKERHUB_USERNAME }}/wg-easy/wg-easy
+            ghcr.io/${{ github.repository }}
           tags: |
             type=semver,pattern={{version}}
             type=semver,pattern={{major}}
             type=semver,pattern={{major}}.{{minor}}
 
-      - name: Create manifest list and push
-        working-directory: ${{ runner.temp }}/digests
-        run: |
-          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
-            $(printf 'ghcr.io/wg-easy/wg-easy@sha256:%s ' *)
-
-      - name: Inspect image
-        run: |
-          docker buildx imagetools inspect ghcr.io/wg-easy/wg-easy:${{ steps.meta.outputs.version }}
+      - uses: docker/build-push-action@v6
+        id: push
+        with:
+          context: .
+          push: true
+          platforms: linux/amd64,linux/arm64,linux/arm/v7
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          # NOTE - Optimization: Compress images with zstd because extraction it's a lot faster and the image is also smaller
+          outputs: type=image,compression=zstd,force-compression=true
+          # TODO Cache may require no scope if this is the only built image
+          # https://docs.docker.com/build/cache/backends/gha/#scope
+          cache-from: type=gha,scope=build
+          # TODO - Not sure how big the cache get's but you have to maybe change this back to min
+          # https://docs.docker.com/build/cache/backends/#cache-mode
+          cache-to: type=gha,mode=max,scope=build
+
+      - name: Generate artifact attestation (ghcr.io)
+        uses: actions/attest-build-provenance@v3
+        with:
+          subject-name: ghcr.io/${{ github.repository }}
+          subject-digest: ${{ steps.push.outputs.digest }}
+          push-to-registry: true
 
   docs:
     name: Build & Deploy Docs
@@ -142,7 +84,7 @@ jobs:
       startsWith(github.ref, 'refs/tags/v')
     permissions:
       contents: write
-    needs: docker-merge
+    needs: container-image-build-push
     steps:
       - uses: actions/checkout@v5