Question

我有2个用于php应用程序和mysql的docker容器。两者都可以单独完美地工作。我可以在localhost:8000上访问我的php应用程序，并且可以使用MySQL Workbench在localhost:3306上连接mysql。

但是，我在容器内的php应用程序无法连接到另一个容器内的mysql数据库。

我的docker-compose.yml文件如下：

    version: '3'
    services:
      website:
        container_name: php-app
        image: php-app
        build:
          context: ./
        volumes:
          - php-app:/var/www/html/
        ports:
          - 8000:80
        depends_on:
          - mysql
      mysql:
        image: mysql:8.0
        container_name: mysql-server-80
        command: --default-authentication-plugin=mysql_native_password
        volumes:
          - .:/application
        restart: always
        environment:
          - MYSQL_ROOT_PASSWORD=123456
          - MYSQL_DATABASE=testdb
          - MYSQL_USER=root
          - MYSQL_PASSWORD=123456
        ports:
          - "3306:3306"
    volumes:
      jayde-ci:
      mysql:

基于codeigniter的php应用程序中的数据库配置文件如下：

    $db['default'] = array(
        'dsn'   => '',
        'hostname' => 'mysql',
        'username' => 'root',
        'password' => '123456',
        'database' => 'test',
        'dbdriver' => 'mysqli',
        'dbprefix' => '',
        'pconnect' => FALSE,
        'db_debug' => (ENVIRONMENT !== 'production'),
        'cache_on' => FALSE,
        'cachedir' => '',
        'char_set' => 'utf8',
        'dbcollat' => 'utf8_general_ci',
        'swap_pre' => '',
        'encrypt' => FALSE,
        'compress' => FALSE,
        'stricton' => FALSE,
        'failover' => array(),
        'save_queries' => TRUE
    );

Answer 1

您应该在localhost上将密码字段留空。试试这个

$db['default'] = array(
        'dsn'   => '',
        'hostname' => 'mysql',
        'username' => 'root',
        'password' => '',
        'database' => 'test',
        'dbdriver' => 'mysqli',
        'dbprefix' => '',
        'pconnect' => FALSE,
        'db_debug' => (ENVIRONMENT !== 'production'),
        'cache_on' => FALSE,
        'cachedir' => '',
        'char_set' => 'utf8',
        'dbcollat' => 'utf8_general_ci',
        'swap_pre' => '',
        'encrypt' => FALSE,
        'compress' => FALSE,
        'stricton' => FALSE,
        'failover' => array(),
        'save_queries' => TRUE
    );

无法从php容器连接到mysql容器

1 个答案: