Initial commit: demo-java-api with CI/CD

.gitea/workflows/build.yml

@@ -0,0 +1,77 @@
+name: Build & Deploy Java API
+
+on:
+  push:
+    branches: [main]
+
+env:
+  REGISTRY: harbor.cjjhc.top/library
+  APP_NAME: demo-java-api
+
+jobs:
+  build:
+    runs-on: self-hosted
+
+    steps:
+      - name: Prepare workspace
+        run: |
+          WORK=/root/.cache/${{ env.APP_NAME }}
+          rm -rf "$WORK"
+          mkdir -p "$WORK"
+
+      - name: Checkout code
+        uses: actions/checkout@v4
+        with:
+          path: ${{ env.APP_NAME }}
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Cache Maven packages
+        uses: actions/cache@v3
+        with:
+          path: ~/.m2/repository
+          key: ${{ runner.os }}-maven-${{ hashFiles('**/pom.xml') }}
+          restore-keys: |
+            ${{ runner.os }}-maven-
+
+      - name: Login to Harbor
+        run: docker login ${{ env.REGISTRY }} -u admin -p "${{ secrets.HARBOR_PASSWORD }}"
+
+      - name: Build with Maven
+        run: |
+          cd ${{ env.APP_NAME }}
+          mvn clean package -DskipTests
+
+      - name: Build & push Docker image
+        run: |
+          cd ${{ env.APP_NAME }}
+          SHORT=${GITHUB_SHA::8}
+          TAG="${{ env.REGISTRY }}/${{ env.APP_NAME }}:${SHORT}"
+          LATEST="${{ env.REGISTRY }}/${{ env.APP_NAME }}:latest"
+
+          docker build -t "${TAG}" -t "${LATEST}" .
+          docker push "${TAG}"
+          docker push "${LATEST}"
+          echo "✓ Pushed ${TAG}"
+
+      - name: Update image tag in values.yaml (commit-back GitOps)
+        run: |
+          cd ${{ env.APP_NAME }}
+          SHORT=${GITHUB_SHA::8}
+
+          # Update tag in values.yaml
+          sed -i "s/^  tag:.*/  tag: \"${SHORT}\"/" deploy/helm/values.yaml
+
+          # Configure git
+          git config user.email "ci@local"
+          git config user.name "gitea-ci"
+
+          # Commit and push
+          git add deploy/helm/values.yaml
+          git commit -m "ci: update image tag to ${SHORT}" || echo "nothing to commit"
+          git push origin main
+          echo "✓ Pushed values.yaml with tag ${SHORT}"