docker-compose_lambda.yml

version: '3'
services:
  app:
    build:
      context: ./lambdaSample
      dockerfile: Dockerfile
    volumes:
      - "./lambdaSample:/go/src/app"
    tty: true
    environment:
      - GOPATH=/go/libs
      - DB_TYPE=postgres
      - POSTGRES_DBHOST=db
      - POSTGRES_DBNAME=postgres
      - POSTGRES_DBUSER=postgres
      - POSTGRES_PASSWORD=postgres
    ports:
      - "8080:8080"
    networks:
      - area
      
  db:
    container_name: "db"
    image: postgres:11        
    ports:
     - "5432:5432"
    environment:
      - POSTGRES_USER=postgres
      - POSTGRES_PASSWORD=postgres
    volumes:
      - "./db:/docker-entrypoint-initdb.d"
      # 永続化することでコンテナ削除してもOK
      - "govolumes:/var/lib/postgresql/data"
    networks:
      - area

volumes: 
  govolumes:

networks:
  area:
    driver: "bridge"