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前言

今天给各位带来一个出色网站、博客系统 WordPress，不过不使用 Docker Hub 提供的 WordPress Docker镜像，我们使用 Dockerfile 自己制作，实现 LNMP WordPress 运行环境，并将 WordPress 部署再其基础之上

为什么不使用 Docker Hub 提供的 WordPress 镜像部署呢？

环境准备

• Linux 7.5
• docker v23.0.1
• docker compose v2.17.0
• WordPress v6.2

注意：这里的环境是博主使用环境，不限于此

新手小白教程

Centos7.5安装教程
Docker安装教程
Docker-Compose安装教程

目录结构

[root@master01 ~]# tree docker
docker
├── db.sh   #数据库启动、配置脚本
├── default.conf  #nginx配置文件，配置支持 php 
├── docker-compose.yaml  # compose 文件
├── Dockerfile-mariadb  # maraidb dockerfile文件
├── Dockerfile-service  # nginx+php+wordpress dockerfile文件
├── wordpress-6.2-zh_CN.zip  # wordpress安装包
├── wp-config.php  # wordpress配置文件，这里主要配置数据库部分
└── yum.sh  #yum源配置脚本

0 directories, 8 files

dockerfile制作镜像

yum 脚本

yum脚本是两个 dockerfile 文件公用的脚本，因为这里都是使用 yum 安装的服务

# 清除默认yum
rm -rf /etc/yum.repos.d/*

# 阿里云 centos7 yum
curl -o /etc/yum.repos.d/CentOS-Base.repo https://mirrors.aliyun.com/repo/Centos-7.repo

#nginx yum
cat  > /etc/yum.repos.d/nginx.repo << EOF
[nginx]
name=nginx
baseurl=https://nginx.org/packages/centos/7/x86_64/
gpgcheck=0
enabled=1
EOF

#mariadb yum
cat > /etc/yum.repos.d/mariadb.repo <<EOF
[mariadb]
name=mariadb
baseurl=https://mirrors.tuna.tsinghua.edu.cn/mariadb/mariadb-10.5.19/yum/centos/7/x86_64/
gpgcheck=0
enabled=1
EOF

#php yum
yum -y install epel-release
rpm -ivh http://rpms.famillecollet.com/enterprise/remi-release-7.rpm

Dockerfile-mariadb 镜像

yum.sh、db.sh 是 Dockerfile-mariadb 构建镜像时所需要的文件

db.sh 启动配置脚本

db.sh 是数据库启动、设置密码、创建数据库以及授权的脚本

cat > db.sh << EOF
#!/bin/bash
mysql_install_db --user=root
mysqld_safe --user=root &
sleep 3
mysqladmin -u root password '000000'
mysql -uroot -p000000 -e "create database wordpress;"
mysql -uroot -p000000 -e "grant all on wordpress.* to root@localhost identified by '000000';"
mysql -uroot -p000000 -e "grant all on wordpress.* to root@'%' identified by '000000';"
EOF

Dockerfile-mariadb

cat > Dockerfile-mariadb << EOF
FROM centos:centos7.9.2009
MAINTAINER qyl
COPY yum.sh /opt/
COPY db.sh /opt
RUN sh /opt/yum.sh && yum clean all
RUN yum install -y mariadb-server
RUN sh /opt/db.sh
EXPOSE 3306
CMD ["mysqld_safe","--user=root"]
EOF

构建镜像

docker build -t wp-mariadb:v1 -f Dockerfile-mariadb .

Dockerfile-service 镜像

yum.sh、default.conf 、wp-config.php 是 Dockerfile-service 构建镜像时所需要的文件

default.conf

这是配置 nginx 能代理 php 网页的配置

cat  > default.conf << EOF
server {
    listen       80;
    server_name  localhost;
    location / {
        root   /usr/share/nginx/html;
        index  index.php index.html index.htm; #修改部分
    }
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
    location ~ \.php$ {
        root           /usr/share/nginx/html;  #修改部分
        fastcgi_pass   127.0.0.1:9000;
        fastcgi_index  index.php;
        fastcgi_param  SCRIPT_FILENAME  $document_root$fastcgi_script_name; #修改部分
        include        fastcgi_params;
    }
}
EOF

wp-config.php

在安装 wordpress 时 wordpress 配置文件无法自动写入时，使用这种方式手动写入（主要配置数据库部分）

注意：数据库部分的配置

cat > wp-config.php << EOF
<?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 web site, 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
 *
 * @link https://wordpress.org/documentation/article/editing-wp-config-php/
 *
 * @package WordPress
 */

// ** Database settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', 'wordpress' ); # 根据自己数据库修改

/** Database username */
define( 'DB_USER', 'root' );  # 根据自己数据库修改

/** Database password */
define( 'DB_PASSWORD', '000000' ); # 根据自己数据库修改

/** Database hostname */
define( 'DB_HOST', 'mariadb:3306' );  # 这个 mariadb 对应 compose 里面的服务名

/** Database charset to use in creating database tables. */
define( 'DB_CHARSET', 'utf8' );

/** The database collate type. Don't change this if in doubt. */
define( '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',         'put your unique phrase here' );
define( 'SECURE_AUTH_KEY',  'put your unique phrase here' );
define( 'LOGGED_IN_KEY',    'put your unique phrase here' );
define( 'NONCE_KEY',        'put your unique phrase here' );
define( 'AUTH_SALT',        'put your unique phrase here' );
define( 'SECURE_AUTH_SALT', 'put your unique phrase here' );
define( 'LOGGED_IN_SALT',   'put your unique phrase here' );
define( 'NONCE_SALT',       'put your unique phrase here' );

/**#@-*/

/**
 * 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!
 */
$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://wordpress.org/documentation/article/debugging-in-wordpress/
 */
define( 'WP_DEBUG', false );

/* Add any custom values between this line and the "stop editing" line. */



/* 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';
EOF

Dockerfile-service

cat > Dockerfile-service << EOF
FROM centos:centos7.9.2009
MAINTAINER qyl
WORKDIR /opt

COPY wordpress-6.2-zh_CN.zip ./
COPY yum.sh /opt/
RUN sh /opt/yum.sh
RUN yum clean all &&\
    yum install -y nginx unzip  &&\
    unzip ./wordpress-6.2-zh_CN.zip

# 安装php7.4环境
RUN yum install -y php74-php-devel php74-php php74-php-cli php74-php-common php74-php-gd php74-php-ldap php74-php-mbstring php74-php-mcrypt php74-php-pdo php74-php-mysqlnd  php74-php-fpm php74-php-opcache php74-php-pecl-redis php74-php-pecl-mongodb php74-php-fpm

#修改 php-fpm 的用户和组为nginx
RUN sed -i 's/^user\ =\ apache/user\ =\ nginx/g' /etc/opt/remi/php74/php-fpm.d/www.conf && \
    sed -i 's/^group\ =\ apache/group\ =\ nginx/g' /etc/opt/remi/php74/php-fpm.d/www.conf &&\
    php74 -v

RUN rm -rf /usr/share/nginx/html/* &&\
    cp -rf ./wordpress/* /usr/share/nginx/html/

COPY default.conf /etc/nginx/conf.d/default.conf
COPY wp-config.php /usr/share/nginx/html/
EXPOSE 80

# 为了进入特权模式，所要运行的环境
CMD /usr/sbin/init
EOF

构建镜像

docker build -t wp-service:v1 -f Dockerfile-service .

docker compose 编排

使用上述构建的镜像编排容器

cat > docker-compose.yaml << EOF
version: '3'
services:
  mariadb:
    image: wp-mariadb:v1
    container_name: db
    ports:
    - 3306:3306
  wordpress:
    image: wp-service:v1
    container_name: wordpress
    privileged: true # 开启容器特权模式
    ports:
    - 80:80
    links:
    - mariadb  # 服务名
    depends_on:
    - mariadb
EOF

compose 启动容器

[root@master01 docker]# docker compose up -d
[+] Running 3/3
 ✔ Network docker_default  Created                                                                                    0.1s
 ✔ Container db            Started                                                                                    0.6s
 ✔ Container wordpress     Started                                                                                    1.3s


[root@master01 docker]# docker compose ps
NAME                IMAGE               COMMAND                  SERVICE             CREATED              STATUS              PORTS
db                  wp-mariadb:v1       "mysqld_safe --user=…"   mariadb             About a minute ago   Up About a minute   0.0.0.0:3306->3306/tcp, :::3306->3306/tcp
wordpress           wp:v1               "/bin/sh -c /usr/sbi…"   wordpress           About a minute ago   Up About a minute   0.0.0.0:80->80/tcp, :::80->80/tcp

进入 wordpress 容器启动 php-fpm、nginx

因为这里使用的 yum 源安装的（其他方式也可以），没有php-fpm二进制命令启动 php-fpm 服务，而使用 systemctl 启动服务需要权限，也就是 compose 里面的 privileged: true 字段和 Dockerfile-service 里面的 CMD /usr/sbin/init，这样就能保证在容器使用systemctl启动服务了

docker exec -it wordpress bash
systemctl restart php74-php-fpm
systemctl restart nginx

浏览器访问 80 端口，安装 wordpress

提升

如何把 wordpres 部署到 k8s 中呢？

【云原生】K8S部署自制镜像WordPress

✊ 最后

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👏 我是秋意临，欢迎大家一键三连、加入云社区

👋 我们下期再见(⊙o⊙)！！！

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