宿主机里没有php环境，我如何使用composer去管理项目？

Question

在centos系统里面，我多容器部署的lnmp的环境，项目挂载在宿主机上，但是在宿主机里没有php的环境，我如何使用composer来管理项目

Answer 1

compose.yml

  composer:
    image: zhaojunlike/composer:5.6-latest
    volumes:
    #网站目录
      - ./app:/app:rw
    working_dir: /app/webroot
    command: composer install

bash

docker run -it -v /app:/app --name composer zhaojunlike/composer:5.6-latest composer install

具体的一个docker-compose lnmp

version:  '3.0'
services:
  nginx:
    image: nginx:1.13.3
    ports:
      - "80:80"
      - "443:443"
    links:
      - "php-fpm"
    volumes:
      - ./app:/app:rw
      - ./dockerfiles/nginx/conf.d:/etc/nginx/conf.d:ro
      - ./dockerfiles/nginx/certs:/etc/nginx/certs:ro
      - ./dockerfiles/nginx/nginx.conf:/etc/nginx/nginx.conf:ro
      - ./logs/nginx:/var/log/nginx:rw
    depends_on:
      - redis-db
    restart: always
    command: nginx -g 'daemon off;'
  mysql-db:
    image: mysql:5.7
    volumes:
      - ./data/mysql:/var/lib/mysql:rw
      - ./logs/mysql:/var/lib/mysql-logs:rw
      - ./dockerfiles/mysql/conf.d:/etc/mysql/conf.d:ro
    restart: always
    environment:
        MYSQL_ROOT_PASSWORD: zhaojun
        MYSQL_DATABASE: package_v1
        MYSQL_USER: zhaojun
        MYSQL_PASSWORD: zhaojun
  redis-db:
    build: ./dockerfiles/redis
    restart: always
    volumes:
      - ./data/redis:/data
  php-fpm:
    build: ./dockerfiles/php/
    restart: always
    environment:
        DEV_APP_DEBUG: 1
        APP_DEBUG: 1
        APP_TRACE: 1
    volumes:
      - ./app:/app:rw
      - ./dockerfiles/php/php.ini:/usr/local/etc/php/php.ini:ro
      - ./dockerfiles/php/php-fpm.conf:/usr/local/etc/php-fpm.conf:ro
      - ./logs/php-fpm:/var/log/php-fpm:rw
    depends_on:
      - mysql-db
      - redis-db
    links:
      - mysql-db
      - redis-db
    command: php-fpm
  composer:
    image: zhaojunlike/composer:5.6-latest
    volumes:
    #网站目录
      - ./app:/app:rw
    working_dir: /app/webroot
    command: composer install
volumes:
  app-data:

Answer 2

装一个php吧

Answer 3

composer是依赖php的，必须安装php

Answer 4

开个容器进去操作也不是不可以啊