Add CI/CD pipeline

.gitea/workflows/deploy.yml

@@ -0,0 +1,44 @@
+name: lpt-be Build & Deploy
+
+on:
+  push:
+    branches: [master]
+
+env:
+  REGISTRY: 192.168.123.199:5000
+  APP: lpt-be
+
+jobs:
+  build-and-deploy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set environment
+        id: env
+        run: |
+          if [ "${{ github.ref_name }}" = "master" ]; then
+            echo "suffix=prod" >> $GITHUB_OUTPUT
+            echo "namespace=lpt-prod" >> $GITHUB_OUTPUT
+          else
+            echo "suffix=dev" >> $GITHUB_OUTPUT
+            echo "namespace=lpt-dev" >> $GITHUB_OUTPUT
+          fi
+
+      - name: Set up JDK 17
+        uses: actions/setup-java@v4
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Build with Maven
+        run: ./mvnw package -DskipTests -B
+
+      - name: Build & Push Docker image
+        run: |
+          docker build -t $REGISTRY/$APP:${{ steps.env.outputs.suffix }} .
+          docker push $REGISTRY/$APP:${{ steps.env.outputs.suffix }}
+
+      - name: Deploy to K8s
+        run: |
+          kubectl rollout restart deployment/$APP -n ${{ steps.env.outputs.namespace }}