refactor: matrix pipeline building (test)

.github/workflows/release.yml

@@ -5,9 +5,9 @@ on:
     branches:
       - master
 
-permissions:
-  contents: write
-  pull-requests: write
+env:
+  REGISTRY_IMAGE: segadora/iptv-proxy
+  REGISTRY: ghcr.io
 
 jobs:
   release-please:
@@ -24,81 +24,111 @@ jobs:
           config-file: release-please-config.json
           manifest-file: .release-please-manifest.json
 
-  push_to_registry:
+  build:
     needs: [ release-please ]
-    name: Push Docker image
     runs-on: ubuntu-latest
-    permissions:
-      packages: write
-      contents: read
-      attestations: write
-      id-token: write
+    strategy:
+      fail-fast: false
+      matrix:
+        platform:
+          - linux/amd64
+          - linux/arm/v6
+          - linux/arm/v7
+          - linux/arm64
     if: ${{ needs.release-please.outputs.release }}
-    env:
-      IMAGE_NAME: ${{ github.repository }}
-      REGISTRY: ghcr.io
     steps:
-      - name: Check out the repo
-        uses: actions/checkout@v4
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV          
+
+      - name: Extract metadata (tags, labels) for Docker
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY_IMAGE }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            type=semver,pattern={{major}}.{{minor}}
 
       - name: Set up QEMU
         uses: docker/setup-qemu-action@v3
 
       - name: Set up Docker Buildx
-        id: buildx
         uses: docker/setup-buildx-action@v3
-        with:
-          version: latest
-          install: true
-          use: true
 
-      - name: Builder instance name
-        run: echo ${{ steps.buildx.outputs.name }}
-
-      - name: Available platforms
-        run: echo ${{ steps.buildx.outputs.platforms }}
-
-      - name: Log in to Docker
+      - name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ github.token }}
-          logout: false
 
-      - name: Extract metadata (tags, labels) for Docker
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          platforms: ${{ matrix.platform }}
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ env.REGISTRY_IMAGE }},push-by-digest=true,name-canonical=true,push=true
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"          
+
+      - name: Upload digest
+        uses: actions/upload-artifact@v4
+        with:
+          name: digests-${{ env.PLATFORM_PAIR }}
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
         id: meta
         uses: docker/metadata-action@v5
         with:
-          images: ${{ env.REGISTRY }}/${{ github.repository }}
-          tags: |
-            type=ref,event=branch
-            type=ref,event=pr
-            type=semver,pattern={{version}}
-            type=semver,pattern={{major}}.{{minor}}
+          images: ${{ env.REGISTRY_IMAGE }}
 
-      - name: Build and push
-        uses: docker/build-push-action@v6
-        id: push
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
         with:
-          builder: ${{ steps.buildx.outputs.name }}
-          context: .
-          build-args: |
-            - VER="3.19"
-          file: ./Dockerfile
-          platforms: linux/amd64,linux/arm/v6,linux/arm/v7,linux/arm64
-          push: true
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:latest, ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ needs.release-please.outputs.tag }}
-          labels: ${{ steps.meta.outputs.labels }}
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ github.token }}
+
+      - name: Create manifest list and push
+        working-directory: /tmp/digests
+        run: |
+          docker buildx imagetools create $(jq -cr '.tags | map("-t " + .) | join(" ")' <<< "$DOCKER_METADATA_OUTPUT_JSON") \
+            $(printf '${{ env.REGISTRY_IMAGE }}@sha256:%s ' *)          
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ env.REGISTRY_IMAGE }}:${{ steps.meta.outputs.version }}  
 
       - name: Generate artifact attestation
         uses: actions/attest-build-provenance@v1
         with:
-          subject-name: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME}}
+          subject-name: ${{ env.REGISTRY_IMAGE }}
           subject-digest: ${{ steps.push.outputs.digest }}
-          push-to-registry: true
-
-      - name: clean
-        if: always() && github.event_name != 'pull_request'
-        run: |
-          rm -f ${HOME}/.docker/config.json
+          push-to-registry: true