Fix Permission denied: ‘/var/lib/pgadmin/sessions’ in Docker When Custom a Port

When I start my stack, the pgadmin container tells the error Permission denied: '/var/lib/pgadmin/sessions'

  • full message
ERROR  : Failed to create the directory /var/lib/pgadmin/sessions:

           [Errno 13] Permission denied: '/var/lib/pgadmin/sessions'

HINT   : Create the directory /var/lib/pgadmin/sessions, ensure it is writeable by

         'pgadmin', and try again, or, create a config_local.py file

         and override the SESSION_DB_PATH setting per

         https://www.pgadmin.org/docs/pgadmin4/9.4/config_py.html

[2024-05-31 23:15:34 +0000] [1] [ERROR] Worker (pid:118) exited with code 1

[2024-05-31 23:15:34 +0000] [1] [ERROR] Worker (pid:118) exited with code 1.

[2024-05-31 23:15:34 +0000] [119] [INFO] Booting worker with pid: 119

/venv/lib/python3.12/site-packages/passlib/pwd.py:16: UserWarning: pkg_resources is deprecated as an API. See https://setuptools.pypa.io/en/latest/pkg_resources.html. The pkg_resources package is slated for removal as early as 2025-11-30. Refrain from using this package or pin to Setuptools<81.

  import pkg_resources

[2024-05-31 23:15:40 +0000] [119] [INFO] Worker exiting (pid: 119)

ERROR  : Failed to create the directory /var/lib/pgadmin/sessions:

           [Errno 13] Permission denied: '/var/lib/pgadmin/sessions'

HINT   : Create the directory /var/lib/pgadmin/sessions, ensure it is writeable by

         'pgadmin', and try again, or, create a config_local.py file

         and override the SESSION_DB_PATH setting per

         https://www.pgadmin.org/docs/pgadmin4/9.4/config_py.html

[2024-05-31 23:15:41 +0000] [1] [ERROR] Worker (pid:119) exited with code 1

[2024-05-31 23:15:41 +0000] [1] [ERROR] Worker (pid:119) exited with code 1.
  • my docker compose
services:
  pgadmin_storedb:
    image: dpage/pgadmin4
    container_name: pgadmin_storedb
    restart: always
    ports:
      - "5050:80"
    environment:
      PGADMIN_DEFAULT_EMAIL: [email protected]
      PGADMIN_DEFAULT_PASSWORD: P@ssw0rd
    volumes:
      - ./pgadmin-data:/var/lib/pgadmin
    networks:
      - store_network
    extra_hosts:
      - "host.docker.internal:host-gateway"

Solution

- changed a port in my docker-compose
  • I changed a port in my docker-compose from
services:
  pgadmin_storedb:
    image: dpage/pgadmin4
    container_name: pgadmin_storedb
    restart: always
    ports:
      - "5051:80"
    environment:
      PGADMIN_DEFAULT_EMAIL: [email protected]
      PGADMIN_DEFAULT_PASSWORD: P@ssw0rd
    volumes:
      - ./pgadmin-data:/var/lib/pgadmin
    networks:
      - store_network
    extra_hosts:
      - "host.docker.internal:host-gateway"

to

services:
  pgadmin_storedb:
    image: dpage/pgadmin4
    container_name: pgadmin_storedb
    restart: always
    ports:
      - "5051:5050"
    environment:
      PGADMIN_DEFAULT_EMAIL: [email protected]
      PGADMIN_DEFAULT_PASSWORD: P@ssw0rd
      PGADMIN_LISTEN_PORT: 5050
    volumes:
      - ./pgadmin-data:/var/lib/pgadmin
    networks:
      - store_network
    extra_hosts:
      - "host.docker.internal:host-gateway"

If the Problem still exists, check the host path permission

  • Check the host path and set the directory's UID and GID to be 5050
sudo chown -R 5050:5050 ${DATA_PATH_PG_ADMIN_HOST}
ls -l ${DATA_PATH_PG_ADMIN_HOST}

If you don't care about security, you can grant (777)

  • On Synology, you can grant everyone read/write on the specific path ${DATA_PATH_PG_ADMIN_HOST}

Reference

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