actions提速

.github/workflows/docker-build.yml

@@ -1,57 +1,116 @@
 name: Build and Push Docker Image
 
-
 on:
   push:
     branches: [master, main]
+    # 仅当构建相关文件变更时触发，避免无意义排队
+    paths:
+      - "backend/**"
+      - "frontend/**"
+      - ".github/workflows/docker-build.yml"
+      - "docker-compose*.yml"
   workflow_dispatch:
+    inputs:
+      build_backend:
+        description: "手动触发时是否构建后端"
+        required: false
+        default: true
+        type: boolean
+      build_frontend:
+        description: "手动触发时是否构建前端"
+        required: false
+        default: true
+        type: boolean
+
+# 同一分支只保留最新一次，减少等待队列
+concurrency:
+  group: docker-build-${{ github.ref }}
+  cancel-in-progress: true
 
 jobs:
-  build-backend:
+  changes:
     runs-on: ubuntu-latest
+    outputs:
+      backend: ${{ steps.filter.outputs.backend }}
+      frontend: ${{ steps.filter.outputs.frontend }}
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
+
+      - name: Detect changed paths
+        id: filter
+        uses: dorny/paths-filter@v3
+        with:
+          filters: |
+            backend:
+              - "backend/**"
+              - ".github/workflows/docker-build.yml"
+              - "docker-compose*.yml"
+            frontend:
+              - "frontend/**"
+              - ".github/workflows/docker-build.yml"
+              - "docker-compose*.yml"
+
+  build-backend:
+    runs-on: ubuntu-latest
+    needs: changes
+    if: |
+      github.event_name == 'workflow_dispatch' && inputs.build_backend == true ||
+      github.event_name != 'workflow_dispatch' && needs.changes.outputs.backend == 'true'
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Log in to Docker Hub
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build and push backend
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           context: ./backend
           file: ./backend/Dockerfile
           push: true
-          tags: 537yaha/ai-cs-backend:latest
+          tags: |
+            537yaha/ai-cs-backend:latest
           platforms: linux/amd64,linux/arm64
+          # 使用 GitHub Actions 缓存构建层，显著减少重复构建时间
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
 
   build-frontend:
     runs-on: ubuntu-latest
+    needs: changes
+    if: |
+      github.event_name == 'workflow_dispatch' && inputs.build_frontend == true ||
+      github.event_name != 'workflow_dispatch' && needs.changes.outputs.frontend == 'true'
     steps:
       - name: Checkout code
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Set up Docker Buildx
-        uses: docker/setup-buildx-action@v2
+        uses: docker/setup-buildx-action@v3
 
       - name: Log in to Docker Hub
-        uses: docker/login-action@v2
+        uses: docker/login-action@v3
         with:
           username: ${{ secrets.DOCKERHUB_USERNAME }}
           password: ${{ secrets.DOCKERHUB_TOKEN }}
 
       - name: Build and push frontend
-        uses: docker/build-push-action@v4
+        uses: docker/build-push-action@v6
         with:
           context: ./frontend
           file: ./frontend/Dockerfile
           push: true
-          tags: 537yaha/ai-cs-frontend:latest
+          tags: |
+            537yaha/ai-cs-frontend:latest
           platforms: linux/amd64,linux/arm64
           # 前端统一走同域 /api（由反向代理转发到后端），无需在构建时注入 localhost/端口
+          cache-from: type=gha
+          cache-to: type=gha,mode=max