Merge pull request #83 from caibirdme/dev

ci: add workflow that can build docker image automatically when MR is…

.github/workflows/auto-docker.yml

@@ -0,0 +1,79 @@
+name: Rust CI
+
+on:
+  pull_request:
+    types: [closed]
+
+jobs:
+  check_changes:
+    runs-on: ubuntu-latest
+    # exec only when PR is merged
+    if: github.event.pull_request.merged == true
+    outputs:
+      rust_changed: ${{ steps.check_rust_changes.outputs.rust_changed }}
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Check for Rust file changes
+        id: check_rust_changes
+        run: |
+          git diff --name-only ${{ github.event.pull_request.base.sha }} ${{ github.event.pull_request.head.sha }} > changes.txt
+          if grep -qE '\.rs$|Cargo\.toml' changes.txt; then
+            echo "rust_changed=true" >> $GITHUB_OUTPUT
+          else
+            echo "rust_changed=false" >> $GITHUB_OUTPUT
+          fi
+
+  rust_ci:
+    needs: check_changes
+    if: needs.check_changes.outputs.rust_changed == 'true'
+    runs-on: ubuntu-latest
+    permissions:
+        contents: read
+        packages: write
+    strategy:
+      matrix:
+        target: [x86_64-unknown-linux-gnu, x86_64-unknown-linux-musl]
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Rust
+        uses: actions-rs/toolchain@v1
+        with:
+          toolchain: 1.80.0
+          profile: minimal
+          override: true
+          target: ${{ matrix.target }}
+
+      - name: Install cross
+        run: cargo install cross
+
+      - name: Build with cross
+        run: cross build --target ${{ matrix.target }} --release
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          push: true
+          tags: ghcr.io/${{ github.repository }}:latest-${{ matrix.target }}
+          file: docker/${{ matrix.target }}/Dockerfile
+  no_changes:
+    needs: check_changes
+    if: needs.check_changes.outputs.rust_changed == 'false'
+    runs-on: ubuntu-latest
+    steps:
+      - name: No Rust changes
+        run: echo "No changes to Rust files or Cargo.toml, skipping CI."