我使用Docker在Mac上创建一个容器来测试我基于PHP和MySQL构建的Web应用程序。我的PHP应用程序使用Fat-Free框架进行MVC和路由构建。我有两个Dockerfile，一个用于MySQL，一个用于PHP。我已经成功地使用过测试Docker应用程序，因此我认为我的映像安装正确。
错误的主要部分：
Internal Server Error
SQLSTATE[HY000] [2002] No such file or directory
[fatfree/lib/DB/SQL.php:466] PDO->__construct('mysql:host=127.0.0.1;port=3306;dbname=robohome','root','password',array(1002=>'SET NAMES utf8;'))
[fatfree/app/Controllers/Controller.php:24] DB\SQL->__construct('mysql:host=127.0.0.1;port=3306;dbname=robohome','root','password')
请注意，如果我使用 127.0.0.1 而不是 localhost 进行连接，那么我会收到一个略微不同的错误消息，其内容为：SQLSTATE[HY000] [2002] Connection refused
我的 PHP Dockerfile：
FROM php:5.6-apache
RUN docker-php-ext-install mysqli pdo pdo_mysql
RUN a2enmod rewrite
我的MySQL Dockerfile：
FROM mysql:5.7
ENV MYSQL_ROOT_PASSWORD password
ENV MYSQL_DATABASE robohome
COPY ./schema.sql /docker-entrypoint-initdb.d/
错误提到了第24行的Controller.php文件：
<?php
namespace Controllers;
class Controller
{
protected $f3;
protected $db;
public function __construct()
{
$f3 = \Base::instance();
$this->f3 = $f3;
$mysqlServerName = $f3->get("MYSQL_SERVERNAME");
$mysqlDatabseName = $f3->get("MYSQL_DBNAME");
//$container = \DI\ContainerBuilder::buildDevContainer(); <-Not used currently
//Below is line 24 referred to in the error
$db = new \DB\SQL(
"mysql:host={$mysqlServerName};port=3306;dbname={$mysqlDatabseName}",
$f3->get("MYSQL_USERNAME"),
$f3->get("MYSQL_PASSWORD")
);
$this->db = $db;
}
那些MYSQL_*的值是从一个.ini文件中获取的：
MYSQL_SERVERNAME = "localhost" <-This is what I've tried changing to 127.0.0.1
MYSQL_USERNAME = "root"
MYSQL_PASSWORD = "password"
MYSQL_DBNAME = "robohome"
version: '2'
services:
web:
build: ./docker/php
ports:
- 80:80
volumes:
- .:/var/www/html/
links:
- db
db:
build: ./docker/mysql
ports:
- 3306
我运行了以下命令docker-compose up --build -d。然后，我可以从docker ps获取输出：
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
f35066a16586 robohomeweb_mysql "docker-entrypoint.sh" 3 minutes ago Up 2 seconds 0.0.0.0:32777->3306/tcp robohomeweb_mysql_1
86d34eb34583 robohomeweb_php "apache2-foreground" 3 minutes ago Up 2 seconds 0.0.0.0:80->80/tcp robohomeweb_php_1
Building php
Step 1 : FROM php:5.6-apache
---> 8f9b7e57129a
Step 2 : RUN docker-php-ext-install mysqli pdo pdo_mysql
---> Using cache
---> fadd8f9e7207
Step 3 : RUN a2enmod rewrite
---> Using cache
---> 9dfed7fdc60f
Successfully built 9dfed7fdc60f
Building mysql
Step 1 : FROM mysql:5.7
---> eda6a4884645
Step 2 : ENV MYSQL_ROOT_PASSWORD password
---> Using cache
---> 759895ac5772
Step 3 : ENV MYSQL_DATABASE robohome
---> Using cache
---> e926c5ecc088
Step 4 : COPY ./schema.sql /docker-entrypoint-initdb.d/
---> Using cache
---> cf5d00aa8020
Successfully built cf5d00aa8020
Starting robohomeweb_php_1
Starting robohomeweb_mysql_1
Attaching to robohomeweb_mysql_1, robohomeweb_php_1
php_1 | AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.18.0.3. Set the 'ServerName' directive globally to suppress this message
php_1 | AH00558: apache2: Could not reliably determine the server's fully qualified domain name, using 172.18.0.3. Set the 'ServerName' directive globally to suppress this message
php_1 | [Sun Oct 16 20:21:17.944575 2016] [mpm_prefork:notice] [pid 1] AH00163: Apache/2.4.10 (Debian) PHP/5.6.26 configured -- resuming normal operations
php_1 | [Sun Oct 16 20:21:17.946919 2016] [core:notice] [pid 1] AH00094: Command line: 'apache2 -D FOREGROUND'
mysql_1 | 2016-10-16T20:21:18.036272Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
mysql_1 | 2016-10-16T20:21:18.038330Z 0 [Note] mysqld (mysqld 5.7.16) starting as process 1 ...
mysql_1 | 2016-10-16T20:21:18.043331Z 0 [Note] InnoDB: PUNCH HOLE support available
mysql_1 | 2016-10-16T20:21:18.043603Z 0 [Note] InnoDB: Mutexes and rw_locks use GCC atomic builtins
mysql_1 | 2016-10-16T20:21:18.043951Z 0 [Note] InnoDB: Uses event mutexes
mysql_1 | 2016-10-16T20:21:18.044077Z 0 [Note] InnoDB: GCC builtin __atomic_thread_fence() is used for memory barrier
mysql_1 | 2016-10-16T20:21:18.044260Z 0 [Note] InnoDB: Compressed tables use zlib 1.2.3
mysql_1 | 2016-10-16T20:21:18.044414Z 0 [Note] InnoDB: Using Linux native AIO
mysql_1 | 2016-10-16T20:21:18.045150Z 0 [Note] InnoDB: Number of pools: 1
mysql_1 | 2016-10-16T20:21:18.045620Z 0 [Note] InnoDB: Using CPU crc32 instructions
mysql_1 | 2016-10-16T20:21:18.047629Z 0 [Note] InnoDB: Initializing buffer pool, total size = 128M, instances = 1, chunk size = 128M
mysql_1 | 2016-10-16T20:21:18.057705Z 0 [Note] InnoDB: Completed initialization of buffer pool
mysql_1 | 2016-10-16T20:21:18.059988Z 0 [Note] InnoDB: If the mysqld execution user is authorized, page cleaner thread priority can be changed. See the man page of setpriority().
mysql_1 | 2016-10-16T20:21:18.074670Z 0 [Note] InnoDB: Highest supported file format is Barracuda.
mysql_1 | 2016-10-16T20:21:18.101209Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
mysql_1 | 2016-10-16T20:21:18.101433Z 0 [Note] InnoDB: Setting file './ibtmp1' size to 12 MB. Physically writing the file full; Please wait ...
mysql_1 | 2016-10-16T20:21:18.354806Z 0 [Note] InnoDB: File './ibtmp1' size is now 12 MB.
mysql_1 | 2016-10-16T20:21:18.356928Z 0 [Note] InnoDB: 96 redo rollback segment(s) found. 96 redo rollback segment(s) are active.
mysql_1 | 2016-10-16T20:21:18.357158Z 0 [Note] InnoDB: 32 non-redo rollback segment(s) are active.
mysql_1 | 2016-10-16T20:21:18.358049Z 0 [Note] InnoDB: Waiting for purge to start
mysql_1 | 2016-10-16T20:21:18.412987Z 0 [Note] InnoDB: 5.7.16 started; log sequence number 12179647
mysql_1 | 2016-10-16T20:21:18.414470Z 0 [Note] Plugin 'FEDERATED' is disabled.
mysql_1 | 2016-10-16T20:21:18.421833Z 0 [Note] InnoDB: Loading buffer pool(s) from /var/lib/mysql/ib_buffer_pool
mysql_1 | 2016-10-16T20:21:18.424144Z 0 [Note] InnoDB: Buffer pool(s) load completed at 161016 20:21:18
mysql_1 | 2016-10-16T20:21:18.425607Z 0 [Warning] Failed to set up SSL because of the following SSL library error: SSL context is not usable without certificate and private key
mysql_1 | 2016-10-16T20:21:18.427018Z 0 [Note] Server hostname (bind-address): '*'; port: 3306
mysql_1 | 2016-10-16T20:21:18.427581Z 0 [Note] IPv6 is available.
mysql_1 | 2016-10-16T20:21:18.427749Z 0 [Note] - '::' resolves to '::';
mysql_1 | 2016-10-16T20:21:18.428019Z 0 [Note] Server socket created on IP: '::'.
mysql_1 | 2016-10-16T20:21:18.456023Z 0 [Warning] 'db' entry 'sys mysql.sys@localhost' ignored in --skip-name-resolve mode.
mysql_1 | 2016-10-16T20:21:18.456354Z 0 [Warning] 'proxies_priv' entry '@ root@localhost' ignored in --skip-name-resolve mode.
mysql_1 | 2016-10-16T20:21:18.480237Z 0 [Warning] 'tables_priv' entry 'sys_config mysql.sys@localhost' ignored in --skip-name-resolve mode.
mysql_1 | 2016-10-16T20:21:18.488758Z 0 [Note] Event Scheduler: Loaded 0 events
mysql_1 | 2016-10-16T20:21:18.490880Z 0 [Note] mysqld: ready for connections.
mysql_1 | Version: '5.7.16' socket: '/var/run/mysqld/mysqld.sock' port: 3306 MySQL Community Server (GPL)
localhost和127.0.0.1进行连接，因为它们在技术上被视为不同。这可能也与尝试通过套接字而不是TCP进行通信有关。理想情况下，我希望有一个解决方案，可以将其添加到我的Dockerfile中，这样我就不必担心记住命令或者如何完成某件事。
0.0.0.0:32777->3306/tcp。 - roundtheworld