ci: migrate docker build to multi-machine multi-arch matrix

.gitea/workflows/build.yml

@@ -9,7 +9,6 @@ jobs:
   test:
     name: Run Tests
     runs-on: ubuntu-latest
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6
@@ -29,16 +28,35 @@ jobs:
       - name: Run tests
         run: go test -v -p 4 ./...
 
-
-  build-and-push:
-    name: Build and Push Docker Image
-    runs-on: ubuntu-latest
+  build-amd64:
+    name: Build (linux/amd64)
+    runs-on: [ubuntu-latest, amd64]
     needs: test
-
     steps:
       - name: Checkout repository
         uses: actions/checkout@v6
 
+      - name: Extract version
+        id: version
+        run: |
+          VERSION=${GITHUB_REF#refs/tags/v}
+          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
+          echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
+          echo "COMMIT=${{ github.sha }}" >> $GITHUB_OUTPUT
+
+          if echo "$VERSION" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$'; then
+            echo "MAJOR=$(echo "$VERSION" | cut -d. -f1)" >> $GITHUB_OUTPUT
+            echo "MINOR=$(echo "$VERSION" | cut -d. -f2)" >> $GITHUB_OUTPUT
+            if echo "$VERSION" | grep -q '-'; then
+              echo "IS_PRERELEASE=true" >> $GITHUB_OUTPUT
+            else
+              echo "IS_PRERELEASE=false" >> $GITHUB_OUTPUT
+            fi
+          else
+            echo "Invalid version format: $VERSION"
+            exit 1
+          fi
+
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
@@ -49,27 +67,54 @@ jobs:
           username: ${{ secrets.DOCKER_USERNAME }}
           password: ${{ secrets.DOCKER_PASSWORD }}
 
-      - name: Extract version and determine release type
+      - name: Build and push by digest
+        id: build
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          platforms: linux/amd64
+          outputs: >-
+            type=image,name=git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please,push-by-digest=true,name-canonical=true,push=true
+          build-args: |
+            VERSION=${{ steps.version.outputs.VERSION }}
+            BUILD_DATE=${{ steps.version.outputs.BUILD_DATE }}
+            COMMIT=${{ steps.version.outputs.COMMIT }}
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: https://github.com/christopherHX/gitea-upload-artifact@v4
+        with:
+          name: digests-linux-amd64
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  build-arm64:
+    name: Build (linux/arm64)
+    runs-on: [ubuntu-latest, arm64]
+    needs: test
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v6
+
+      - name: Extract version
         id: version
         run: |
           VERSION=${GITHUB_REF#refs/tags/v}
           echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
           echo "BUILD_DATE=$(date -u +'%Y-%m-%dT%H:%M:%SZ')" >> $GITHUB_OUTPUT
           echo "COMMIT=${{ github.sha }}" >> $GITHUB_OUTPUT
-          
+
           if echo "$VERSION" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$'; then
-            MAJOR=$(echo "$VERSION" | cut -d. -f1)
-            MINOR=$(echo "$VERSION" | cut -d. -f2)
-            PATCH=$(echo "$VERSION" | cut -d. -f3 | cut -d- -f1)
-          
-            echo "MAJOR=$MAJOR" >> $GITHUB_OUTPUT
-            echo "MINOR=$MINOR" >> $GITHUB_OUTPUT
-            echo "PATCH=$PATCH" >> $GITHUB_OUTPUT
-          
+            echo "MAJOR=$(echo "$VERSION" | cut -d. -f1)" >> $GITHUB_OUTPUT
+            echo "MINOR=$(echo "$VERSION" | cut -d. -f2)" >> $GITHUB_OUTPUT
             if echo "$VERSION" | grep -q '-'; then
-              PRERELEASE_TAG=$(echo "$VERSION" | cut -d- -f2 | cut -d. -f1)
               echo "IS_PRERELEASE=true" >> $GITHUB_OUTPUT
-              echo "PRERELEASE_TAG=$PRERELEASE_TAG" >> $GITHUB_OUTPUT
             else
               echo "IS_PRERELEASE=false" >> $GITHUB_OUTPUT
             fi
@@ -78,35 +123,101 @@ jobs:
             exit 1
           fi
 
-      - name: Build and push Docker image (release)
-        uses: docker/build-push-action@v6
-        with:
-          context: .
-          push: true
-          tags: |
-            git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:v${{ steps.version.outputs.VERSION }}
-            git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:release
-            git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:v${{ steps.version.outputs.MAJOR }}.${{ steps.version.outputs.MINOR }}
-            git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:v${{ steps.version.outputs.MAJOR }}
-            git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:latest
-          platforms: linux/amd64,linux/arm64
-          build-args: |
-            VERSION=${{ steps.version.outputs.VERSION }}
-            BUILD_DATE=${{ steps.version.outputs.BUILD_DATE }}
-            COMMIT=${{ steps.version.outputs.COMMIT }}
-        if: steps.version.outputs.IS_PRERELEASE == 'false'
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
 
-      - name: Build and push Docker image (pre-release)
+      - name: Log in to Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.fossy.my.id
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Build and push by digest
+        id: build
         uses: docker/build-push-action@v6
         with:
           context: .
-          push: true
-          tags: |
-            git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:v${{ steps.version.outputs.VERSION }}
-            git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:staging
-          platforms: linux/amd64,linux/arm64
+          platforms: linux/arm64
+          outputs: >-
+            type=image,name=git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please,push-by-digest=true,name-canonical=true,push=true
           build-args: |
             VERSION=${{ steps.version.outputs.VERSION }}
             BUILD_DATE=${{ steps.version.outputs.BUILD_DATE }}
             COMMIT=${{ steps.version.outputs.COMMIT }}
-        if: steps.version.outputs.IS_PRERELEASE == 'true'
+
+      - name: Export digest
+        run: |
+          mkdir -p /tmp/digests
+          digest="${{ steps.build.outputs.digest }}"
+          touch "/tmp/digests/${digest#sha256:}"
+
+      - name: Upload digest
+        uses: https://github.com/christopherHX/gitea-upload-artifact@v4
+        with:
+          name: digests-linux-arm64
+          path: /tmp/digests/*
+          if-no-files-found: error
+          retention-days: 1
+
+  merge:
+    name: Merge Multi-Arch Manifest
+    runs-on: ubuntu-latest
+    needs: [build-amd64, build-arm64]
+    steps:
+      - name: Download all digests
+        uses: https://github.com/christopherHX/gitea-download-artifact@v4
+        with:
+          path: /tmp/digests
+          pattern: digests-*
+          merge-multiple: true
+
+      - name: Extract version
+        id: version
+        run: |
+          VERSION=${GITHUB_REF#refs/tags/v}
+          echo "VERSION=$VERSION" >> $GITHUB_OUTPUT
+
+          if echo "$VERSION" | grep -qE '^[0-9]+\.[0-9]+\.[0-9]+(-[a-zA-Z0-9.]+)?$'; then
+            echo "MAJOR=$(echo "$VERSION" | cut -d. -f1)" >> $GITHUB_OUTPUT
+            echo "MINOR=$(echo "$VERSION" | cut -d. -f2)" >> $GITHUB_OUTPUT
+            if echo "$VERSION" | grep -q '-'; then
+              echo "IS_PRERELEASE=true" >> $GITHUB_OUTPUT
+            else
+              echo "IS_PRERELEASE=false" >> $GITHUB_OUTPUT
+            fi
+          else
+            echo "Invalid version format: $VERSION"
+            exit 1
+          fi
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: git.fossy.my.id
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Create and push manifest (release)
+        working-directory: /tmp/digests
+        if: steps.version.outputs.IS_PRERELEASE == 'false'
+        run: |
+          docker buildx imagetools create \
+            -t git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:v${{ steps.version.outputs.VERSION }} \
+            -t git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:release \
+            -t git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:v${{ steps.version.outputs.MAJOR }}.${{ steps.version.outputs.MINOR }} \
+            -t git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:v${{ steps.version.outputs.MAJOR }} \
+            -t git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:latest \
+            $(printf 'git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please@sha256:%s ' *)
+
+      - name: Create and push manifest (pre-release)
+        working-directory: /tmp/digests
+        if: steps.version.outputs.IS_PRERELEASE == 'true'
+        run: |
+          docker buildx imagetools create \
+            -t git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:v${{ steps.version.outputs.VERSION }} \
+            -t git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please:staging \
+            $(printf 'git.fossy.my.id/${{ secrets.DOCKER_USERNAME }}/tunnel-please@sha256:%s ' *)