version: '3.4'
services:
  db:
    container_name: bot-db
    image: postgres:11-alpine
    ports:
      - 5432:5432
    environment:
      POSTGRES_USER: user
      POSTGRES_PASSWORD: password
      POSTGRES_DB: bot
    volumes:
      - bot-db:/var/lib/postgresql/data
      - /etc/localtime:/etc/localtime:ro
volumes:
  bot-db: {}