add action

.gitea/workflows/build-and-push.yml

@@ -0,0 +1,47 @@
+name: Build and Push to ACR
+
+on:
+  push:
+    branches: [ main ]
+  release:
+    types: [ published ]
+  workflow_dispatch:          # ← 手动触发
+    inputs:
+      image_tag:              # 可选输入：手动运行时指定 TAG
+        description: "Tag to push (default: latest or branch/tag name)"
+        required: false
+        default: ""
+
+jobs:
+  docker:
+    runs-on: [docker]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+
+      - name: Login to ACR
+        run: |
+          echo "${{ secrets.ACR_PASSWORD }}" | docker login \
+            ${{ secrets.ACR_REGISTRY }} \
+            -u "${{ secrets.ACR_USERNAME }}" \
+            --password-stdin
+
+      - name: Build Docker Image
+        run: |
+          IMAGE=${{ secrets.ACR_REGISTRY }}/${{ secrets.ACR_NAMESPACE }}/myapp
+
+          # 优先用手动输入的 image_tag；否则用分支/发布名；再否则用 latest
+          TAG="${{ github.event.inputs.image_tag }}"
+          if [ -z "$TAG" ]; then TAG="${GITHUB_REF_NAME:-latest}"; fi
+
+          echo "Building $IMAGE:$TAG"
+          docker build -t "$IMAGE:$TAG" -f docker/Dockerfile .
+
+      - name: Push Docker Image
+        run: |
+          IMAGE=${{ secrets.ACR_REGISTRY }}/${{ secrets.ACR_NAMESPACE }}/myapp
+          TAG="${{ github.event.inputs.image_tag }}"
+          if [ -z "$TAG" ]; then TAG="${GITHUB_REF_NAME:-latest}"; fi
+
+          echo "Pushing $IMAGE:$TAG"
+          docker push "$IMAGE:$TAG"