bitnami-containers/bitnami/postgresql/11/ol-7/docker-compose.yml

version: '2'

services:
  postgresql:
    image: 'bitnami/postgresql:11-ol-7'
    ports:
      - '5432:5432'
    volumes:
      - 'postgresql_data:/bitnami/postgresql'
    environment:
      - 'ALLOW_EMPTY_PASSWORD=yes'

volumes:
  postgresql_data:
    driver: local