add docker action

.github/workflows/docker-publish.yml

@@ -0,0 +1,85 @@
+name: Build and Publish Docker Image
+
+on:
+  push:
+    tags:
+      - 'v*.*.*'
+  workflow_dispatch:
+
+env:
+  DOCKER_IMAGE: musistudio/claude-code-router
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write
+      id-token: write
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: 20
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: latest
+
+      - name: Get version
+        id: version
+        run: |
+          if [[ $GITHUB_REF == refs/tags/* ]]; then
+            VERSION=${GITHUB_REF#refs/tags/}
+          else
+            VERSION=$(node -p "require('./package.json').version")
+          fi
+          echo "version=$VERSION" >> $GITHUB_OUTPUT
+          echo "Docker image version: $VERSION"
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build packages
+        run: |
+          pnpm build
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Login to Docker Hub
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKER_USERNAME }}
+          password: ${{ secrets.DOCKER_PASSWORD }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.DOCKER_IMAGE }}
+          tags: |
+            type=semver,pattern={{version}},value=${{ steps.version.outputs.version }}
+            type=semver,pattern={{major}}.{{minor}},value=${{ steps.version.outputs.version }}
+            type=raw,value=latest
+            type=sha
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: .
+          file: ./packages/server/Dockerfile
+          platforms: linux/amd64,linux/arm64
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+
+      - name: Image digest
+        run: echo "Image pushed with digest ${{ steps.meta.outputs.digest }}"