用docker搭建最简单的应用

Posted 2021-08-28 givenchy_yzl

搭建Wordpress

下载项目包

#下载worldpress官网最新安装包
[root@docker1 opt]# wget https://wordpress.org/latest.zip

#解压压缩包
[root@docker1 opt]# unzip latest.zip

docker虚拟机上

nginx配置

#建立一个网桥
[root@docker1 ~]# docker network create lnmp

#创建三个文件夹
[root@docker1 ~]# mkdir {nginx,php,mysql}

#切换目录
[root@docker1 ~]# cd nginx/

#编辑nginx配置文件
[root@docker1 nginx]# vim nginx.conf

user  www;
worker_processes  auto;
error_log  /var/log/nginx/error.log notice;
pid        /var/run/nginx.pid;
events {
    worker_connections  1024;
}
http {
    include       /etc/nginx/mime.types;
    default_type  application/octet-stream;
    log_format  main  '$remote_addr - $remote_user [$time_local] "$request" '
                      '$status $body_bytes_sent "$http_referer" '
                      '"$http_user_agent" "$http_x_forwarded_for"';
    access_log  /var/log/nginx/access.log  main;
    sendfile        on;
    #tcp_nopush     on;
    keepalive_timeout  65;
    #gzip  on;
    include /etc/nginx/conf.d/*.conf;
}

#编辑worldpress站点目录文件

[root@docker1 nginx]# vim default.conf 
server {
    listen       80;    
    root /usr/share/nginx/html/;
    index index.html index.htm index.php;
    location / {
        if ( -f $request_filename) {
            break;
        }
        if (!-e  $request_filename) {
            rewrite ^/(.*)$ /index.php/$1 last;
            break;
        }
        try_files $uri $uri/ /index.php$uri?$query_string;
    }
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }
    location ~ \\.php($|/) {
        set $script $uri;
        set $path_info "";
        if ($uri ~ "^(.+\\.php)(/.+)") {
            set $script $1;
            set $path_info $2;
        }
        fastcgi_pass php:9000;
        fastcgi_param  SCRIPT_FILENAME    $document_root$fastcgi_script_name;
        include        fastcgi_params;
        fastcgi_param    PATH_INFO    $path_info;
        fastcgi_param    SCRIPT_NAME    $script;
        try_files $uri =404;
    }
}

[root@docker1 nginx]# vim nginx.repo

[nginx]
name=nginx repo
baseurl=http://nginx.org/packages/centos/$releasever/$basearch/
gpgcheck=0
enabled=1
module_hotfixes=true

#编辑nginx Dockerfile
[root@docker1 nginx]# vim Dockerfile

FROM centos:7
ADD default.conf  /etc/nginx/conf.d/
ADD nginx.conf  /etc/nginx
ADD nginx.repo /etc/yum.repos.d/nginx.repo
RUN useradd www
RUN yum install -y nginx
EXPOSE 80
WORKDIR /root
CMD nginx -g "daemon off;"

#利用Dockerfile 构建镜像
[root@docker1 nginx]# docker build -t nginx .

#开启ipv4地址转发
[root@docker1 ~]# vim /etc/sysctl.conf
net.ipv4.ip_forward = 1

#重启网络
[root@docker1 ~]# systemctl restart network

#查看ip转发是否配置成功
[root@docker1 ~]# sysctl net.ipv4.ip_forward
net.ipv4.ip_forward = 1

#启动容器（容器名为nginx，绑定端口映射，指定网桥，指定挂载目录，开辟一个窗口）
[root@docker1 opt]# docker run -it --name nginx -p 80:80 --network=lnmp -v /opt/wordpress/:/usr/share/nginx/html nginx:latest bash

PHP配置

#切换目录
[root@docker1 nginx]# cd …/php/

#编辑php配置文件
[root@docker1 php]# vim www.conf

[www]
user = www
group = www
listen = 9000
request_terminate_timeout = 0
pm = dynamic
pm.max_children = 50
pm.start_servers = 5
pm.min_spare_servers = 5
pm.max_spare_servers = 35
slowlog = /var/log/php-fpm/www-slow.log
php_admin_value[error_log] = /var/log/php-fpm/www-error.log
php_admin_flag[log_errors] = on
php_value[session.save_handler] = files
php_value[session.save_path]    = /var/lib/php/session
php_value[soap.wsdl_cache_dir]  = /var/lib/php/wsdlcache

#创建PHP.repo
[root@docker1 php]# vim php.repo

[php-webtatic]
name = PHP Repo
baseurl = http://us-east.repo.webtatic.com/yum/el7/x86_64/
gpgcheck = 0
enable = 1

#编辑php Dockerfile
[root@docker1 php]# vim Dockerfile

FROM centos:7
ADD www.conf /etc/php-fpm.d/www.conf
ADD php.repo /etc/yum.repos.d/php.repo
RUN useradd www
RUN yum install -y php71w php71w-cli php71w-common php71w-devel php71w-embedded php71w-gd php71w-mcrypt php71w-mbstring php71w-pdo php71w-xml php71w-fpm php71w-mysqlnd php71w-opcache php71w-pecl-memcached php71w-pecl-redis php71w-pecl-mongodb php71w-bcmath --skip-broken
EXPOSE 9000
CMD ["php-fpm "-F""]

#构建php镜像
[root@docker1 php]# docker build -t php:v1 .

#启动容器（容器名为php，指定网桥，指定挂载目录，开辟一个窗口）
[root@docker1 php]# docker run -it --name php --network=lnmp -v /opt/wordpress/:/usr/share/nginx/html php:v1 bash

mysql配置

#启动容器（容器名为mysql，指定网桥，创建密码））
[root@docker1 opt]# docker run -d -e MYSQL_ROOT_PASSWORD=123 --network=lnmp --name mysql mysql:5.7

#进入mysql容器
[root@docker1 ~]# docker exec -it mysql bash

#进入数据库
root@9669bf1d0d99:/# mysql -uroot -p
Enter password: 123

#创建数据库
mysql> create database wordpress;
Query OK, 1 row affected (0.00 sec)

nginx容器内

#创建应用所需文件
[root@cdbddab2ad90 html]# cd/usr/share/nginx/html
[root@cdbddab2ad90 html]# vi wp-config.php

<?php
/**
 * The base configuration for WordPress
 *
 * The wp-config.php creation script uses this file during the
 *
 * This file contains the following configurations:
 *
 * * MySQL settings
 * * Secret keys
 * * Database table prefix
 * * ABSPATH
 *
 * @link https://wordpress.org/support/article/editing-wp-config-php/
 *
 * @package WordPress
 */

// ** MySQL settings - You can get this info from your web host ** //
/** The name of the database for WordPress */
define( 'DB_NAME', 'wordpress' );

/** MySQL database username */
define( 'DB_USER', 'root' );

/** MySQL database password */
define( 'DB_PASSWORD', '123' );

/** MySQL hostname */
define( 'DB_HOST', 'mysql' );

/** Database Charset to use in creating database tables. */
define( 'DB_CHARSET', 'utf8mb4' );

/** 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}
 *
 * @since 2.6.0
 */
define( 'AUTH_KEY',         '|D-gm:iMGF5(HcH6:#N;nl<8n!lE.``P${q1p|/TM<6z~GK6*n9UyAPzu~a8, U}' );
define( 'SECURE_AUTH_KEY',  '/+y}hVin#l0B;F+-juHh-E=5{$9ItrqVzqp!hI8X_2+-rI.[nZNcrfH!qZ*.<!Bf' );
define( 'LOGGED_IN_KEY',    'd@G|3N)R]c5TaeK,{9A?NI=AA]ps1HYhkBAFKJk9:Zn%c~$PQtki]]!}89a|^P6L' );
define( 'NONCE_KEY',        'giY3odJ_qn6^L4 T-xx@JISdy1l;eZn?}ZA~a+TE^gvc]0iU4s!Z-|Mk?n3iBKKu' );
define( 'AUTH_SALT',        '=(2f8x;^-6fTEpg,X0_Wm16n@b$Zu]-Q$G7YtYj1.uD>+L S:8:mv [}1&7:Tqc)' );
define( 'SECURE_AUTH_SALT', 'as|%edpHdS5/ik/TV|Qoo$=Da/2fl{:r.`;dhAX-KL!*=%@W6{EW]M.oWO,E:9?X' );
define( 'LOGGED_IN_SALT',   '#vBSzvD9JZ~4?UDhW.RVOl9}n1`Sm?ob~:j[&Hl@.]o)_M/TfE6.d2<Z3V_>tS2b' );
define( 'NONCE_SALT',       'f~MgE_(^s}rhjnGN1}XBP(4h0MS!EAR|*Z&OXk>#t@7=KKm4.PcY6~?J$Dq6_:ZE' );

/**#@-*/

/**
 * 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/support/article/debugging-in-wordpress/
 */
define( 'WP_DEBUG', false );

/* 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';