README.md

Postgres

Features & usage

• Built on the Docker Community's Alpine-based image, to be used as a drop-in replacement.
• Unprivileged image: you should check your volumes' permissions (eg /var/lib/postgresql/data), default UID/GID is 70.
• Removes unnecessary gosu SUID binary.

Sample Docker Compose config

  postgres:
    container_name: postgres
    image: ghcr.io/polarix-containers/postgres:17
    restart: unless-stopped
    volumes:
      - ./postgres:/var/lib/postgresql/data:Z
    environment:
      - POSTGRES_USER=${POSTGRES_USER}
      - POSTGRES_PASSWORD=${POSTGRES_PASSWORD}
    healthcheck:
      test: ["CMD", "pg_isready", "-U", "postgres_user"]
      interval: 15s
      timeout: 5s
    user: "200012:200012"
    read_only: true
    tmpfs:
      - /var/run/postgresql:size=50M,mode=0770,uid=200012,gid=200012,noexec,nosuid,nodev
    security_opt:
      - "no-new-privileges=true"
    cap_drop:
      - ALL

Licensing

• The code in this repository is licensed under the Apache license. 😇
• The image is built on docker.io/postgres, which is under the MIT license. Copyright to the base image belongs to Docker PostgreSQL Authors.
• Any image built by Polarix Containers is provided under the combination of license terms resulting from the use of individual packages.