services:

  db:
    build:
            context: ./
            args:
                    USER_ID: ${USER_ID}
                    GROUP_ID: ${GROUP_ID}

    volumes: 
       - ${POSTGRES_DIR}:/var/lib/postgresql/data
    environment:
       - POSTGRES_USER=postgres
       - POSTGRES_PASSWORD=$PGPASS
         #       - POSTGRES_DB=labkey
    ports:
      - '5432:5432'