ci: build multi-platform images natively using Github ARM runners

Signed-off-by: Bob Du <[email protected]>

Author: BobDu

.github/workflows/build_docker.yml

@@ -27,37 +27,97 @@ jobs:
           readme-filepath: README.en.md
           enable-url-completion: true
 
-  build_docker:
-    name: Build docker
-    runs-on: ubuntu-latest
+  build:
+    strategy:
+      fail-fast: false
+      matrix:
+        include:
+          - platform: linux/amd64
+            os: ubuntu-latest
+          - platform: linux/arm64
+            os: ubuntu-24.04-arm
+    runs-on: ${{ matrix.os }}
     steps:
-      - name: Checkout
-        uses: actions/checkout@v4
+      - name: Prepare
+        run: |
+          platform=${{ matrix.platform }}
+          echo "PLATFORM_PAIR=${platform//\//-}" >> $GITHUB_ENV
 
-      # Print out all environment variables
-      - run: |
-          env
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ vars.DOCKERHUB_NAMESPACE }}/chatgpt-web
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_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:
+          platforms: ${{ matrix.platform }}
+          labels: ${{ steps.meta.outputs.labels }}
+          outputs: type=image,name=${{ vars.DOCKERHUB_NAMESPACE }}/chatgpt-web,push-by-digest=true,name-canonical=true,push=true
+
+      - 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
+
+  merge:
+    runs-on: ubuntu-latest
+    needs:
+      - build
+    steps:
+      - name: Download digests
+        uses: actions/download-artifact@v4
+        with:
+          path: ${{ runner.temp }}/digests
+          pattern: digests-*
+          merge-multiple: true
+
       - name: Login to Docker Hub
         uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
-      - name: Build and push
-        id: docker_build
-        uses: docker/build-push-action@v5
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Docker meta
+        id: meta
+        uses: docker/metadata-action@v5
         with:
-          context: .
-          push: true
-          labels: ${{ steps.meta.outputs.labels }}
-          platforms: linux/amd64,linux/arm64
+          images: ${{ vars.DOCKERHUB_NAMESPACE }}/chatgpt-web
           tags: |
-            ${{ vars.DOCKERHUB_NAMESPACE }}/chatgpt-web:${{ github.ref_name }}
-            ${{ vars.DOCKERHUB_NAMESPACE }}/chatgpt-web:latest
-          build-args: |
-            GIT_COMMIT_HASH=${{ github.sha }}
-            RELEASE_VERSION=${{ github.ref_name }}
+            type=ref,event=branch
+            type=ref,event=pr
+            type=semver,pattern={{version}}
+            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") \
+            $(printf '${{ vars.DOCKERHUB_NAMESPACE }}/chatgpt-web@sha256:%s ' *)
+
+      - name: Inspect image
+        run: |
+          docker buildx imagetools inspect ${{ vars.DOCKERHUB_NAMESPACE }}/chatgpt-web:${{ steps.meta.outputs.version }}