dta-test file permission

docker-compose.yml

@@ -35,7 +35,10 @@ services:
   backend:
     container_name: backend
     image: hftstuttgart/cota-backend:latest
-    user: "${EUSER}:${EGID}"
+    #user: "${EUSER}:${EGID}"
+    user:"1000:999"
+    environment:
+      - DOCKER_HOST=unix:///var/run/docker.sock
     ports: # Add this section
       - "8081:8080"
     volumes: