php - Docker无法连接到蛋糕php
问题描述
HY我在设置中有一个docker容器我收到一个错误,系统无法连接到数据库我无法弄清楚这是怎么回事。
我尝试连接到 localhost、127.0.0.1 和 mysql,但我得到了同样的错误:
CakePHP 无法连接到数据库。无法建立与 Mysql 的连接:SQLSTATE[HY000] [2002] No such file or directory
似乎在日志文件(apache 和 cake)中找不到任何东西,我错过了什么?
php代码:
'default' => [
//'className' =>'Cake\Database\Connection',
'className' => Connection::class,
'driver' => Mysql::class,
//'driver' => 'Cake\Database\Driver\Mysql',
'persistent' => false,
'timezone' => 'UTC',
'encoding' => 'utf8',
'host' => 'mysql',
'username' => 'myusername',
'password' => 'mypassword',
'database' => 'myadatabase',
'flags' => [],
'cacheMetadata' => true,
'log' => false,
'quoteIdentifiers' => false,
],
码头工人-compose.yml
#File version 2.1
version: "3"
services:
webserver:
build:
context: ./bin/webserver
container_name: '7.3.x-webserver'
restart: 'always'
ports:
- "${HOST_MACHINE_UNSECURE_HOST_PORT}:80"
- "${HOST_MACHINE_SECURE_HOST_PORT}:443"
links:
- mysql
volumes:
- ${DOCUMENT_ROOT-./www}:/var/www/html
- ${PHP_INI-./config/php/php.ini}:/usr/local/etc/php/php.ini
- ${VHOSTS_DIR-./config/vhosts}:/etc/apache2/sites-enabled
- ${LOG_DIR-./logs/apache2}:/var/log/apache2
mysql:
build:
context: "./bin/${DATABASE}"
container_name: '5.7-mysql'
restart: 'always'
ports:
- "${HOST_MACHINE_MYSQL_PORT}:3306"
volumes:
- ${MYSQL_DATA_DIR-./data/mysql}:/var/lib/mysql
- ${MYSQL_LOG_DIR-./logs/mysql}:/var/log/mysql
environment:
MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
MYSQL_DATABASE: ${MYSQL_DATABASE}
MYSQL_USER: ${MYSQL_USER}
MYSQL_PASSWORD: ${MYSQL_PASSWORD}
phpmyadmin:
image: phpmyadmin/phpmyadmin
container_name: 'sc-phpmyadmin'
links:
- mysql
environment:
PMA_HOST: mysql
PMA_PORT: 3306
PMA_USER: ${MYSQL_USER}
PMA_PASSWORD: ${MYSQL_PASSWORD}
MYSQL_ROOT_PASSWORD: ${MYSQL_ROOT_PASSWORD}
MYSQL_USER: ${MYSQL_USER}
MYSQL_PASSWORD: ${MYSQL_PASSWORD}
ports:
- '8080:80'
volumes:
- /sessions
# redis:
# container_name: 'sc-redis'
# image: redis:latest
# ports:
# - "${HOST_MACHINE_REDIS_PORT}:6379"
码头工人构建脚本:
FROM php:7.3-apache-stretch
# suppression of debconfig complaints of install apt packages interactively
ARG DEBIAN_FRONTEND=noninteractive
# Update
RUN apt-get -y update --fix-missing && \
apt-get upgrade -y && \
apt-get --no-install-recommends install -y apt-utils && \
rm -rf /var/lib/apt/lists/*
# Install useful tools and install important libaries
RUN apt-get -y update && \
apt-get -y --no-install-recommends install nano wget dialog libsqlite3-dev libsqlite3-0 && \
apt-get -y --no-install-recommends install mysql-client zlib1g-dev libzip-dev libicu-dev && \
apt-get -y --no-install-recommends install --fix-missing apt-utils build-essential git curl && \
apt-get -y --no-install-recommends install --fix-missing libcurl3 libcurl3-dev zip openssl && \
rm -rf /var/lib/apt/lists/* && \
curl -sS https://getcomposer.org/installer | php -- --install-dir=/usr/local/bin --filename=composer
# Install xdebug
RUN pecl install xdebug-2.7.2 && \
docker-php-ext-enable xdebug
# Install redis
RUN pecl install redis-5.0.2 && \
docker-php-ext-enable redis
# Other PHP7 Extensions
RUN docker-php-ext-install pdo_mysql && \
docker-php-ext-install pdo_sqlite && \
docker-php-ext-install mysqli && \
docker-php-ext-install curl && \
docker-php-ext-install tokenizer && \
docker-php-ext-install json && \
docker-php-ext-install zip && \
docker-php-ext-install -j$(nproc) intl && \
docker-php-ext-install mbstring && \
docker-php-ext-install gettext
# Install Freetype
RUN apt-get -y update && \
apt-get --no-install-recommends install -y libfreetype6-dev libjpeg62-turbo-dev libpng-dev && \
rm -rf /var/lib/apt/lists/* && \
docker-php-ext-configure gd --with-freetype-dir=/usr/include/ --with-jpeg-dir=/usr/include/ && \
docker-php-ext-install -j$(nproc) gd
# Enable apache modules
RUN a2enmod rewrite headers
# Cleanup
RUN rm -rf /usr/src/*
解决方案
我用环境变量更改了app.php,更改了数据库的用户名和密码。
我删除了 ./data/mysql 重建容器的数据,但仍然是同样的错误,我猜它与主机名有关
也尝试使用变量 PMA_HOST 但仍然不行。(本地主机也不起作用)
'host' => env('PMA_HOST'),
如果我登录到 phpmyadmin,我可以毫无问题地创建我的表。
如果我登录到容器,我可以登录并执行查询
我看到没有通过grepping php设置来填充套接字,
pdo_mysql.default_socket => /var/run/mysqld/mysqld.sock => /var/run/mysqld/mysqld.sock
现在这已填写,但仍然无法继续与 mysql 的 php 连接(在蛋糕上,在我有连接的数据库的测试脚本中)。
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