docker-compose_springboot.yml

# docker-compose.yml
version: "2"
services:
  web:
    build: ./web/vue    # ./web/react
    container_name: web-server
    ports: 
      - "80:80"
    # http://app-srv:8080/managesys/
    links:
      - app:app-srv

  app:
    build: ./app/springboot
    container_name: app-server
    restart: always
    ports: 
      - "8080:8080"
    environment:
      TZ: Asia/Tokyo
    # jdbc:mysql://mysql-db:3306/
    depends_on:
      - "db"
    links:
      - db:postgres-db

  db:
    build: ./db
    container_name: db-server
    ports:
      - "5432:5432"
    environment:
      POSTGRES_USER: postgres
      POSTGRES_PASSWORD: P@s$w0rd
      TZ: Asia/Tokyo
    volumes:
      # - "./pgdata:/var/lib/postgresql/data"
      # - "./db/conf/postgresql.conf:/etc/postgresql.conf"
      - "./db/initdb.d/springboot:/docker-entrypoint-initdb.d"