Add CI/CD pipeline

.gitea/workflows/deploy.yml

@@ -0,0 +1,45 @@
+name: Build and Deploy
+
+on:
+  push:
+    branches:
+      - master
+
+jobs:
+  build:
+    runs-on: local
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Set up JDK
+        uses: actions/setup-java@v3
+        with:
+          java-version: '17'
+          distribution: 'temurin'
+
+      - name: Install Node.js (für Vaadin)
+        uses: actions/setup-node@v3
+        with:
+          node-version: '20'
+
+      - name: Install dependencies
+        run: npm install
+
+      - name: Build application
+        run: ./gradlew build
+
+  deploy:
+    runs-on: local
+    needs: build
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Deploy via Docker Compose
+        run: |
+          cd compose
+          docker compose down
+          docker compose up -d --build