Add docker build

.github/workflows/rust.yml

@@ -31,3 +31,22 @@ jobs:
 
     - name: Run tests
       run: cargo test --verbose
+
+  docker_build:
+    strategy:
+      matrix:
+        os: [ubuntu-latest, macos-latest]
+    if: contains(github.event.head_commit.message, '[skip ci]') == false
+    runs-on: ${{ matrix.os }}
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Docker Buildx
+      uses: docker/setup-buildx-action@v3
+
+    - name: Build docker image
+      uses: docker/build-push-action@v6
+      with:
+        push: false
+        context: .