ci: add aarch64-unknown-linux-gnu build and multi-arch Docker support #2

.github/workflows/release.yml

@@ -21,6 +21,8 @@ jobs:
             os: ubuntu-latest
           - target: x86_64-unknown-linux-musl
             os: ubuntu-latest
+          - target: aarch64-unknown-linux-gnu
+            os: ubuntu-latest
           - target: x86_64-apple-darwin
             os: macos-latest
           - target: x86_64-pc-windows-msvc
@@ -55,7 +57,6 @@ jobs:
       - name: Install musl-tools (Linux musl only)
         if: matrix.target == 'x86_64-unknown-linux-musl'
         run: sudo apt-get update && sudo apt-get install -y musl-tools
-
       - name: Build Rust backend
         run: cargo build --release --features vendored-openssl --target=${{ matrix.target }}
 
@@ -144,15 +145,24 @@ jobs:
       - name: Checkout code
         uses: actions/checkout@v4
         
-      - name: Download Linux musl artifact
+      - name: Download Linux musl artifact (amd64)
         uses: actions/download-artifact@v4
         with:
           name: x86_64-unknown-linux-musl
-          path: artifacts
+          path: artifacts/amd64
+
+      - name: Download Linux artifact (arm64)
+        uses: actions/download-artifact@v4
+        with:
+          name: aarch64-unknown-linux-gnu
+          path: artifacts/arm64
           
       - name: Prepare Docker context
         run: |
-          tar -xzf artifacts/${{ env.BINARY_NAME }}-*.tar.gz -C docker
+          mkdir -p docker/amd64 docker/arm64
+          tar -xzf artifacts/amd64/${{ env.BINARY_NAME }}-*.tar.gz -C docker/amd64
+          tar -xzf artifacts/arm64/${{ env.BINARY_NAME }}-*.tar.gz -C docker/arm64
+
           
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
@@ -167,6 +177,7 @@ jobs:
         uses: docker/build-push-action@v5
         with:
           context: ./docker
+          platforms: linux/amd64,linux/arm64
           push: true
           tags: |
             rustmailer/bichon:${{ github.ref_name }}