Create publish-ghcr.yml

Author: QAbot-zh

.github/workflows/publish-ghcr.yml

@@ -0,0 +1,60 @@
+name: Build & Publish Docker image (GHCR)
+
+on:
+  push:
+    branches: [ main ]
+    tags: [ 'v*.*.*' ]     # 推 tag 时也会发版
+  workflow_dispatch:       # 手动触发
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      packages: write       # 关键：允许推送到 GHCR
+      attestations: write   # 便于后续生成 SBOM/证明
+      id-token: write
+
+    env:
+      REGISTRY: ghcr.io
+      IMAGE_NAME: ${{ github.repository }}
+
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Set up QEMU (multi-arch)
+        uses: docker/setup-qemu-action@v3
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to GHCR
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: ${{ github.repository_owner }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Extract Docker metadata (tags, labels)
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ghcr.io/${{ github.repository }}
+          # 约定：main 分支 -> :latest；同时打上 sha 短标签；打 tag 时 -> 复用 tag 作为版本
+          tags: |
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=ref,event=tag
+            type=sha
+
+      - name: Build and push
+        uses: docker/build-push-action@v6
+        with:
+          context: .
+          file: ./Dockerfile
+          push: true
+          platforms: linux/amd64,linux/arm64   # 同时构建 x64 + arm64（Apple M 芯片友好）
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max