fix: user error in postgresql

.devcontainer/docker-compose.preview.yml

@@ -15,15 +15,11 @@ services:
     image: rabbitmq:3.10.7
     ports:
       - 5672:5672
-  #    healthcheck:
-  #      interval: 10s
-  #      timeout: 5s
-  #      retries: 5
-  #      test: [ "CMD", "rabbitmqctl", "status" ]
 
   postgres:
     image: postgres:14
     restart: unless-stopped
+    user: postgres
     volumes:
       - postgres-data:/var/lib/postgresql/data
     ports: