version: '3.6'
services:
  pg:
    build: ./db/postgres/image
    command: -c 'config_file=/etc/postgresql/postgresql.conf'
    ports:
      - "127.0.0.1:5432:5432"
    environment:
      - POSTGRES_PASSWORD_FILE=/run/secrets/root_pwd
    volumes:
      - ./db/postgres/config/postgres.conf:/etc/postgresql/postgresql.conf:ro
      - ./db/postgres/data:/var/lib/postgresql/data
    secrets:
      - root_pwd

secrets:
  root_pwd:
    file: ./run/secrets/pgroot_pwd