version: '3.5'

services:
  db:
    container_name: ${DB_CONTAINER_NAME:-gerrit-pg}
    image: postgres:${DB_IMAGE_ID:-9.6.8-alpine}
    restart: unless-stopped
    environment:
      - POSTGRES_USER=${DB_USER:-postgres}
      - POSTGRES_PASSWORD=${DB_PASS:-postgres}
    ports:
      - '5432:5432'
    volumes:
      - type: bind
        source: ./create-gerrit-dbs.sh
        target: /docker-entrypoint-initdb.d/create-gerrit-dbs.sh
        read_only: true
      - gerrit-db-data:/var/lib/postgresql/data

volumes:
  gerrit-db-data: