version: '3.1'

services:
  metropolis:
    depends_on:
      - postgres
    build:
      dockerfile: Dockerfile
      context: .
    environment:
      PG_HOST: postgres
      PG_DATABASE: metropolis
      PG_USERNAME: metro
      PG_PASSWORD: polis

  postgres:
    image: postgres:13-alpine
    environment:
      POSTGRES_DB: metropolis
      POSTGRES_USER: metro
      POSTGRES_PASSWORD: polis
    ports:
      - 127.0.0.1:5432:5432