build: add CI

.gitea/workflows/docker-publish.yml

@@ -0,0 +1,60 @@
+name: Build and Publish Docker Images
+
+on:
+  push:
+    branches:
+      - main
+    tags:
+      - 'v*'
+  workflow_dispatch:
+
+env:
+  REGISTRY: ${{ secrets.REGISTRY_URL }}
+  NAMESPACE: ${{ secrets.REGISTRY_NAMESPACE || 'zebra-power' }}
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        service: [backend, frontend]
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v4
+
+      - name: Set up Docker Buildx
+        uses: docker/setup-buildx-action@v3
+
+      - name: Log in to Docker Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ secrets.REGISTRY_USERNAME }}
+          password: ${{ secrets.REGISTRY_PASSWORD }}
+
+      - name: Extract metadata
+        id: meta
+        uses: docker/metadata-action@v5
+        with:
+          images: ${{ env.REGISTRY }}/${{ env.NAMESPACE }}/zebra-${{ matrix.service }}
+          tags: |
+            type=ref,event=branch
+            type=ref,event=pr
+            type=ref,event=tag
+            type=raw,value=latest,enable={{is_default_branch}}
+            type=sha,prefix={{branch}}-,suffix=-{{date 'YYYYMMDD-HHmmss'}},enable={{is_default_branch}}
+
+      - name: Build and push Docker image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./${{ matrix.service }}
+          file: ./${{ matrix.service }}/Dockerfile
+          push: true
+          tags: ${{ steps.meta.outputs.tags }}
+          labels: ${{ steps.meta.outputs.labels }}
+          cache-from: type=gha
+          cache-to: type=gha,mode=max
+          platforms: linux/amd64,linux/arm64
+
+      - name: Image digest
+        run: echo "Image pushed with digest ${{ steps.build.outputs.digest }}"