官方打包的wordpress的docker版是基于apache，在低配的机器上容易挂掉。所以考虑nginx
Dockerfile
# 更改基础镜像为PHP 8.x FPM Alpine
FROM php:8.2-fpm-alpine# 更新并安装PHP依赖，注意检查扩展与PHP 8.x的兼容性
# 这里不用php8.3 因为安装imagick有问题，参考https://github.com/Imagick/imagick/issues/643
RUN apk update && \apk add zlib-dev libpng-dev jpeg-dev expat-dev libzip-dev icu-libs icu-dev libtool imagemagick-dev && \apk add m4 autoconf make gcc g++ linux-headers && \docker-php-ext-install pdo_mysql opcache mysqli && \docker-php-ext-install gd && \docker-php-ext-install exif zip intl && \pecl install imagick && docker-php-ext-enable imagick && \apk del m4 autoconf make gcc g++ linux-headers# 安装时区
RUN apk add --no-cache tzdata# 安装nginx依赖
RUN apk add nginx && \if [ ! -d "/run/nginx" ]; then mkdir /run/nginx; fi && \touch /run/nginx/nginx.pid# nginx配置文件和初始静态文件
ADD default.conf /etc/nginx/http.d/default.conf
ADD index.html /var/www/html/index.html# 安装wget unzip tar 后续下载wordpress使用
RUN apk add --no-cache wget unzip tar
# 中文版下载 https://cn.wordpress.org/wordpress-latest-zh_CN.tar.gz https://cn.wordpress.org/wordpress-6.7-zh_CN.tar.gz
# 英文版下载 https://wordpress.org/latest.tar.gz
# 下载并解压 WordPress
RUN wget https://cn.wordpress.org/wordpress-latest-zh_CN.tar.gz -O /tmp/wordpress.tar.gz && \tar zxvf /tmp/wordpress.tar.gz -C /tmp/ && \mv /tmp/wordpress/* /var/www/html && \rm /tmp/wordpress.tar.gz# 拷贝源代码到容器内
COPY src /var/www/html/# 官方wordpress镜像还使用了wp-config-docker.php 并用shell脚本执行后把wp-config.php文件进行更改
# 文件的作用是可以使用docker环境变量配置数据库参数
# 官方镜像多出来的两个文件路径
# /usr/src/wordpress/wp-config-docker.php
# /usr/local/bin/docker-entrypoint.shADD wp-config-docker.php /var/www/html/wp-config-docker.php# 添加自定义脚本
ADD generate_wp_config.sh /
RUN chmod 755 /generate_wp_config.sh# 更改/var/www/html目录的所有权
RUN apk add coreutils && \chown www-data:www-data /var/www/html && \chmod 1777 /var/www/html && \chown -R www-data:www-data /var/www/html/wp-content && \chmod -R 1777 /var/www/html/wp-content# 下面处理更新版本升级权限
# wp-admin授权用户www-data:www-data可以防止网页更新版本报错
# 另一更新正在运行 执行sql DELETE FROM wp_options WHERE option_name='core_updater.lock';
RUN chown -R www-data:www-data /var/www/html/wp-admin && \chown -R www-data:www-data /var/www/html/wp-includes && \cd /var/www/html/ && \chown www-data:www-data wp-login.php wp-cron.php wp-trackback.php wp-config-sample.php wp-settings.php wp-mail.php# 添加自定义脚本
ADD run.sh /
RUN chmod 755 /run.sh# 暴露端口
EXPOSE 80
EXPOSE 9000# 入口点设置为自定义脚本
ENTRYPOINT ["/run.sh"]
dockerfile使用到的文件
wp-config-docker.php
<?php
/*** The base configuration for WordPress** The wp-config.php creation script uses this file during the installation.* You don't have to use the website, you can copy this file to "wp-config.php"* and fill in the values.** This file contains the following configurations:** * Database settings* * Secret keys* * Database table prefix* * ABSPATH** This has been slightly modified (to read environment variables) for use in Docker.** @link https://developer.wordpress.org/advanced-administration/wordpress/wp-config/** @package WordPress*/// IMPORTANT: this file needs to stay in-sync with https://github.com/WordPress/WordPress/blob/master/wp-config-sample.php
// (it gets parsed by the upstream wizard in https://github.com/WordPress/WordPress/blob/f27cb65e1ef25d11b535695a660e7282b98eb742/wp-admin/setup-config.php#L356-L392)// a helper function to lookup "env_FILE", "env", then fallback
if (!function_exists('getenv_docker')) {// https://github.com/docker-library/wordpress/issues/588 (WP-CLI will load this file 2x)function getenv_docker($env, $default) {if ($fileEnv = getenv($env . '_FILE')) {return rtrim(file_get_contents($fileEnv), "\r\n");}else if (($val = getenv($env)) !== false) {return $val;}else {return $default;}}
}// ** Database settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', getenv_docker('WORDPRESS_DB_NAME', 'wordpress') );/** Database username */
define( 'DB_USER', getenv_docker('WORDPRESS_DB_USER', 'example username') );/** Database password */
define( 'DB_PASSWORD', getenv_docker('WORDPRESS_DB_PASSWORD', 'example password') );/*** Docker image fallback values above are sourced from the official WordPress installation wizard:* https://github.com/WordPress/WordPress/blob/1356f6537220ffdc32b9dad2a6cdbe2d010b7a88/wp-admin/setup-config.php#L224-L238* (However, using "example username" and "example password" in your database is strongly discouraged. Please use strong, random credentials!)*//** Database hostname */
define( 'DB_HOST', getenv_docker('WORDPRESS_DB_HOST', 'mysql') );/** Database charset to use in creating database tables. */
define( 'DB_CHARSET', getenv_docker('WORDPRESS_DB_CHARSET', 'utf8') );/** The database collate type. Don't change this if in doubt. */
define( 'DB_COLLATE', getenv_docker('WORDPRESS_DB_COLLATE', '') );/**#@+* Authentication unique keys and salts.** Change these to different unique phrases! You can generate these using* the {@link https://api.wordpress.org/secret-key/1.1/salt/ WordPress.org secret-key service}.** You can change these at any point in time to invalidate all existing cookies.* This will force all users to have to log in again.** @since 2.6.0*/
define( 'AUTH_KEY', getenv_docker('WORDPRESS_AUTH_KEY', 'put your unique phrase here') );
define( 'SECURE_AUTH_KEY', getenv_docker('WORDPRESS_SECURE_AUTH_KEY', 'put your unique phrase here') );
define( 'LOGGED_IN_KEY', getenv_docker('WORDPRESS_LOGGED_IN_KEY', 'put your unique phrase here') );
define( 'NONCE_KEY', getenv_docker('WORDPRESS_NONCE_KEY', 'put your unique phrase here') );
define( 'AUTH_SALT', getenv_docker('WORDPRESS_AUTH_SALT', 'put your unique phrase here') );
define( 'SECURE_AUTH_SALT', getenv_docker('WORDPRESS_SECURE_AUTH_SALT', 'put your unique phrase here') );
define( 'LOGGED_IN_SALT', getenv_docker('WORDPRESS_LOGGED_IN_SALT', 'put your unique phrase here') );
define( 'NONCE_SALT', getenv_docker('WORDPRESS_NONCE_SALT', 'put your unique phrase here') );
// (See also https://wordpress.stackexchange.com/a/152905/199287)/**#@-*//*** WordPress database table prefix.** You can have multiple installations in one database if you give each* a unique prefix. Only numbers, letters, and underscores please!** At the installation time, database tables are created with the specified prefix.* Changing this value after WordPress is installed will make your site think* it has not been installed.** @link https://developer.wordpress.org/advanced-administration/wordpress/wp-config/#table-prefix*/
$table_prefix = getenv_docker('WORDPRESS_TABLE_PREFIX', 'wp_');/*** For developers: WordPress debugging mode.** Change this to true to enable the display of notices during development.* It is strongly recommended that plugin and theme developers use WP_DEBUG* in their development environments.** For information on other constants that can be used for debugging,* visit the documentation.** @link https://developer.wordpress.org/advanced-administration/debug/debug-wordpress/*/
define( 'WP_DEBUG', !!getenv_docker('WORDPRESS_DEBUG', '') );/* Add any custom values between this line and the "stop editing" line. */// If we're behind a proxy server and using HTTPS, we need to alert WordPress of that fact
// see also https://wordpress.org/support/article/administration-over-ssl/#using-a-reverse-proxy
if (isset($_SERVER['HTTP_X_FORWARDED_PROTO']) && strpos($_SERVER['HTTP_X_FORWARDED_PROTO'], 'https') !== false) {$_SERVER['HTTPS'] = 'on';
}
// (we include this by default because reverse proxying is extremely common in container environments)if ($configExtra = getenv_docker('WORDPRESS_CONFIG_EXTRA', '')) {eval($configExtra);
}/* That's all, stop editing! Happy publishing. *//** Absolute path to the WordPress directory. */
if ( ! defined( 'ABSPATH' ) ) {define( 'ABSPATH', __DIR__ . '/' );
}/** Sets up WordPress vars and included files. */
require_once ABSPATH . 'wp-settings.php';
generate_wp_config.sh
#!/usr/bin/env shset -eu# 获取当前用户的 UID 和 GID
uid="$(id -u)"
gid="$(id -g)"# 获取所有以 WORDPRESS_ 开头的环境变量名称
wpEnvs=$(env | grep ^WORDPRESS_ | cut -d= -f1)# 检查 wp-config.php 是否存在且不为空
if [ ! -s wp-config.php ] && [ -n "$wpEnvs" ]; thenfor wpConfigDocker in \wp-config-docker.php \/usr/src/wordpress/wp-config-docker.php \; doif [ -s "$wpConfigDocker" ]; thenecho >&2 "No 'wp-config.php' found in $PWD, but 'WORDPRESS_...' variables supplied; copying '$wpConfigDocker' ($wpEnvs)"# 使用 awk 替换所有 "put your unique phrase here" 为唯一的字符串awk '/put your unique phrase here/ {cmd = "head -c1m /dev/urandom | sha1sum | cut -d\\ -f1"cmd | getline strclose(cmd)gsub("put your unique phrase here", str)}{ print }' "$wpConfigDocker" > wp-config.phpif [ "$uid" = '0' ]; then# 尝试确保 wp-config.php 由运行用户拥有# 可能在某些文件系统上不允许 chown（例如某些 NFS 设置）chown "$(id -un):$(id -gn)" wp-config.php || truefibreakfidone
fi
docker里的环境变量主要靠上面两个文件实现。
run.sh
#!/bin/sh# 切换到 /var/www/html 目录
cd /var/www/html
# 调用生成 wp-config.php 的脚本
/generate_wp_config.sh# 后台启动php-fpm
php-fpm -D
# 关闭后台启动，hold住进程
nginx -g 'daemon off;'default.conf
server {listen 80;server_name localhost;root /var/www/html;index index.php index.html index.htm index.nginx-debian.html;error_log /var/log/nginx/error.log;access_log /var/log/nginx/access.log;location / {try_files $uri $uri/ /index.php?$args;}location ~ \.php$ {fastcgi_pass 127.0.0.1:9000;fastcgi_index index.php;fastcgi_param SCRIPT_FILENAME $document_root$fastcgi_script_name;include fastcgi_params;# 添加以下行来传递客户端 IP 和协议信息proxy_set_header X-Real-IP $remote_addr;proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;proxy_set_header X-Forwarded-Proto $scheme;}# 新增规则来保护以点号开头的隐藏文件location ~ /\. {deny all;}location ~ /\.ht {deny all;}location = /favicon.ico {log_not_found off;access_log off;}location = /robots.txt {allow all;log_not_found off;access_log off;}location ~* \.(css|gif|ico|jpeg|jpg|js|png)$ {expires max;log_not_found off;access_log off;}
}index.html
<!DOCTYPE html>
<html>
<head><title>Welcome to nginx!</title><style>body {width: 35em;margin: 0 auto;font-family: Tahoma, Verdana, Arial, sans-serif;}</style>
</head>
<body>
<h1>Welcome to nginx!</h1>
<p>If you see this page, the nginx web server is successfully installed andworking. Further configuration is required.</p><p>For online documentation and support please refer to<a href="http://nginx.org/">nginx.org</a>.<br/>Commercial support is available at<a href="http://nginx.com/">nginx.com</a>.</p><p><em>Thank you for using nginx.</em></p>
</body>
</html>src/info.php
<?phpphpinfo();
?>构建完成后，相比官方版减少200M,负载也减轻了。这个打包完是简体中文版，不用再下载语言包了
