如何在 docker 容器中启用 php 的 mysql 扩展? [英] How to enable php's mysql extensions in docker container?

问题描述

我有以下 docker-compose.yml

i have the following docker-compose.yml

web:
  image: nginx:1.17.1-alpine
  ports:
    - "80:80"
  volumes:
    - ./code:/code
    - ./site.conf:/etc/nginx/conf.d/site.conf
  links:
    - php

php:
  build: .
  volumes:
    - ./code:/code
  links:
    - mysql

mysql:
  image: yobasystems/alpine-mariadb:latest
  ports:
    - "3306:3306"
  volumes:
    - ./mysql:/var/lib/mysql
environment: 
    - MYSQL_ROOT_PASSWORD=password

并关注 dockerfile

and following dockerfile

FROM php:7.1.0-fpm-alpine

RUN docker-php-ext-install mysqli && docker-php-ext-enable mysqli

在此设置中，永远不会安装 php 的 mysql 扩展或 docker mysql 扩展.我无法从 php 容器访问 mysql.adminer.php 抱怨说支持的 PHP 扩展(MySQLi、MySQL、PDO_MySQL)都不可用."

In this setup , php's mysql extensions or docker mysql extensions never get installed. i cannot access mysql from php container. adminer.php complains saying "None of the supported PHP extensions (MySQLi, MySQL, PDO_MySQL) are available."

我们如何解决这个问题?

How do we fix this problem ?

推荐答案

将以下内容添加到 dockerfile 解决了该问题.

Adding the following to dockerfile fixed the issue.

RUN docker-php-ext-install mysqli pdo pdo_mysql && docker-php-ext-enable pdo_mysql

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