version: "3.9"
services:
  db:
    image: postgres
    restart: always
    environment:
      POSTGRES_PASSWORD: example

  app:
    build:
      dockerfile: Dockerfile
      context: .
      target: dev
      args:
        - GO_VERSION=${GO_VERSION}
    ports:
      - 1234:1234
    volumes:
      - .:/app
    environment:
      - DATABASE_URL=postgresql://postgres:example@db:5432/postgres