version: '2'

services:
  ...
  
volumes:
  ...
  
network:
  ...

services:
  my_container_1:
    image: ...
  my_container_2:
    image: ...

services:
  my_container_1:
    image: wooddy/composetest:mysql

services:
  web:
    enviroment:
      - MYSQL_PORT_PASSWORD=mypassword
      - MYSQL_DATABASE_NAME=mydb
    enviroment:
      MYSQL_ROOT_PASSWORD: mypassword
      MYSQL_DATABASE_NAME: mydb

services:
  web:
    links:
      - db
      - db:database
      - redis

services:
  web:
    image: wooddy/composetest:web
    command: apachectl -DFOREGROUND
  web:
    image: wooddy/composetest:web
    command: [apchectl, -DFOREGROUND]

services:
  web:
    image: wooddy/composetest:web
    depends_on
      - mysql
    
  mysql:
    image: wooddy/composetest:mysql

services:
  web:
    image: wooddy/composetest:web
      ports:
        - "8000"
        - "8081-8005"
        - "80:80"

services:
  web:
    bulid: ./composetest
    image: wooddy/composetest:web

-- docker-compose.yml
version: '3.0'
service:
  web:
    extends:
      file: extend_compose.yml
      service: extend_web

-- extend_compose.yml
version: '3.0'
service:
  extend_web:
    image: ubuntu:14.04
    ports:
      - "80:80"

version: '3.0'
service:
  web:
    extends:
      file: extend_compose.yml
      service: extend_web
    extend_web:
      image: ubuntu:14.04
      ports:
        - "80:80"

version: '3.0'
services:
  ...
    
volumes:
  driver: overlay2
    driver_opts:
      opt: "1"
      opt2: 2

version: '3.0'
services:
  image: wooddy/composetest:web
  volume:
    - myvolume:/var/www/html
    
volumes:
  myvolume:
    external: true

➜ docker-compose config
services:
  db:
    container_name: mysql-5.7
    environment:
      ...
    image: mysql:5.7
    ports:
    - published: 3306
      target: 3306
    restart: always
    volumes:
    - db-data:/var/lib/mysql:rw
    - /Users/jwoos/projects/springboot-bbs/init:/docker-entrypoint-initdb.d:rw
version: '3.3'
volumes:
  db-data: {}

version: '3'
services:
  db:
     image: mysql
     restart: always
     environment:
        - MYSQL_ROOT_PASSWORD="secret"
  web:
    image: apache
    build: ./webapp
    depends_on:
       - db
    restart: always
    ports:
      - "8080:80"

Usage: up [options] [--scale SERVICE=NUM...] [SERVICE...]

Options:
    -d, --detach            백그라운드에서 컨테이너가 시작되고 실행 상태가 된다.
    --no-deps               연결된 서비스를 시작하지 않는다.
    --force-recreate        컨테이너가 존재해도 다시 작성하도록 한다.
    --always-recreate-deps  종속적인 컨테이너들을 항상 다시 작성한다
    --no-start              서비스를 자동으로 시작하지 않음
    --build                 컨테이너를 실행하기 전에 이미지를 빌드한다
    --scale SERVICE=NUM     서비스를 NUM 개의 인스턴스로 설정한다. (scale 옵션이 있는 경우)

Usage: down [options]

Options:
    --rmi type    Remove images. Type must be one of:
                    'all': 서비스에서 사용하는 모든 이미지를 제거한다
                    'local': 커스텀 태그가 존재하지 않는 이미지 제거

docker run --name mysql \
-e MYSQL_DATABASE=test \
-e MYSQL_USER=test \
-e MYSQL_PASSWORD=test \
-e MYSQL_ROOT_PASSWORD=test \ 
-p 3306:3306 \ 
-v /home/data/mysql:/var/lib/mysql
mysql:5.7