ci: build image for arm64 too (#6)

* ci: build image for arm64 too

* ci: update action versions

Author: shumkov

.github/workflows/release.yml

@@ -12,15 +12,24 @@ env:
   CARGO_TERM_COLOR: always
 
 jobs:
-  build-and-release:
-    runs-on: ubuntu-latest
-    
+  build:
+    strategy:
+      matrix:
+        include:
+          - runner: ubuntu-latest
+            platform: linux/amd64
+            arch: x86_64
+          - runner: ubuntu-24.04-arm
+            platform: linux/arm64
+            arch: arm64
+    runs-on: ${{ matrix.runner }}
+
     steps:
     - uses: actions/checkout@v4
-    
+
     - name: Install protobuf compiler
       run: sudo apt-get update && sudo apt-get install -y protobuf-compiler
-        
+
     - name: Install Rust
       uses: dtolnay/rust-toolchain@stable
       with:
@@ -38,37 +47,98 @@ jobs:
       with:
         username: ${{ secrets.DOCKERHUB_USERNAME }}
         password: ${{ secrets.DOCKERHUB_TOKEN }}
-        
+
     - name: Cache cargo
-      uses: actions/cache@v3
+      uses: actions/cache@v4
       with:
         path: |
           ~/.cargo/registry
           ~/.cargo/git
           target
-        key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-        
+        key: ${{ runner.os }}-${{ matrix.arch }}-cargo-${{ hashFiles('**/Cargo.lock') }}
+
     - name: Build release
       run: cargo build --release
 
-    - name: Build and push Docker image
-      uses: docker/build-push-action@v5
+    - name: Build and push Docker image by digest
+      id: build
+      uses: docker/build-push-action@v6
       with:
         context: .
+        platforms: ${{ matrix.platform }}
         push: true
-        tags: |
-          dashpay/quorum-list-server:latest
-          dashpay/quorum-list-server:${{ steps.meta.outputs.version }}
-        
+        tags: dashpay/quorum-list-server
+        outputs: type=image,push-by-digest=true,name-canonical=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-${{ matrix.arch }}
+        path: ${{ runner.temp }}/digests/*
+        if-no-files-found: error
+        retention-days: 1
+
     - name: Create release archive
       run: |
         cd target/release
-        tar -czf quorum-list-server-linux-x86_64.tar.gz quorum-list-server
-        
+        tar -czf quorum-list-server-linux-${{ matrix.arch }}.tar.gz quorum-list-server
+
+    - name: Upload release archive
+      uses: actions/upload-artifact@v4
+      with:
+        name: binary-${{ matrix.arch }}
+        path: target/release/quorum-list-server-linux-${{ matrix.arch }}.tar.gz
+        retention-days: 1
+
+  merge-and-release:
+    runs-on: ubuntu-latest
+    needs: build
+
+    steps:
+    - name: Derive version from tag
+      id: meta
+      run: echo "version=${GITHUB_REF_NAME#v}" >> $GITHUB_OUTPUT
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Log in to Docker Hub
+      uses: docker/login-action@v3
+      with:
+        username: ${{ secrets.DOCKERHUB_USERNAME }}
+        password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+    - name: Download digests
+      uses: actions/download-artifact@v4
+      with:
+        pattern: digests-*
+        path: ${{ runner.temp }}/digests
+        merge-multiple: true
+
+    - name: Create multi-platform manifest
+      run: |
+        docker buildx imagetools create \
+          -t dashpay/quorum-list-server:latest \
+          -t dashpay/quorum-list-server:${{ steps.meta.outputs.version }} \
+          $(for f in ${{ runner.temp }}/digests/*; do echo "dashpay/quorum-list-server@sha256:$(basename $f)"; done | xargs)
+
+    - name: Download binaries
+      uses: actions/download-artifact@v4
+      with:
+        pattern: binary-*
+        path: ${{ runner.temp }}/binaries
+        merge-multiple: true
+
     - name: Create GitHub Release
-      uses: softprops/action-gh-release@v1
+      uses: softprops/action-gh-release@v2
       with:
-        files: target/release/quorum-list-server-linux-x86_64.tar.gz
+        files: ${{ runner.temp }}/binaries/*.tar.gz
         generate_release_notes: true
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}