add pipeline 9

compose.yml

@@ -18,15 +18,18 @@ services:
       - traefik
 
   app:
-    build: .
-    image: mytimetracker-app
+    image: eclipse-temurin:17-jdk-alpine
     container_name: mytimetracker-app
     depends_on:
       - db
     ports:
-      - "8400:8080"  # 8400 auf dem Host, 8080 im Container
+      - "8400:8080"
     environment:
       SPRING_PROFILES_ACTIVE: docker
+    volumes:
+      - ./build/libs/MyTimeTracker-0.0.1-SNAPSHOT.jar:/app/app.jar
+    working_dir: /app
+    command: ["java", "-jar", "app.jar"]
     labels:
       - "traefik.enable=true"
       - "traefik.http.routers.mytimetracker.rule=Host(`timetracker.nilzbu.de`)"