CHANGE: adde OpenAPI Docs + swagger UI

Docker/dev-docker-compose.yml

@@ -31,5 +31,17 @@ services:
       POSTGRES_USER: ${POSTGRES_USER}
       POSTGRES_PASS: ${POSTGRES_PASSWORD}
       EXPOSED_PORT: ${EXPOSED_PORT}
+      DEBUG: true
     ports:
       - 8000:8080
+    depends_on:
+      - db
+  swagger:
+    image: swaggerapi/swagger-ui
+    restart: unless-stopped
+    environment:
+      SWAGGER_JSON: /api/swagger.json
+    ports:
+      - 8002:8080
+    volumes:
+      - ./arbeitszeitmessung.json:/api/swagger.json