Example docker-compose.yml file for symfony, mysql, nginx

version: '3'
services:
  php:
    build: build/php
    expose:
      - '9000'
    depends_on:
      - db
    volumes:
      - ~/Docker/campo_backend/symfony:/var/www/html/symfony
      - ~/Docker/campo_backend/logs:/var/log
  web:
    build: build/nginx
    restart: always
    ports:
        - '81:80'
    depends_on:
        - php
        - db
    volumes:
        - ~/Docker/campo_backend/symfony:/var/www/html/symfony
        - ~/Docker/campo_backend/logs:/var/log/nginx
  db:
    image: mysql/mysql-server:5.7
    environment:
      MYSQL_DATABASE: symfony
      MYSQL_USER: root
      MYSQL_ROOT_PASSWORD: toor
      MYSQL_HOST: localhost
      MYSQL_PASSWORD: toor
    ports:
      - "3307:3306"
    volumes:
      - ~/Docker/campo_backend/mysql:/var/lib/mysql
  phpmyadmin:
    image: phpmyadmin/phpmyadmin
    links:
      - db
    ports:
      - 8081:80
    environment:
      MYSQL_USER: root
      MYSQL_USERNAME: root
      MYSQL_ROOT_PASSWORD: toor
      MYSQL_PASSWORD: toor
      PMA_HOST: db