主机Nginx + Docker WordPress Mysql搭建的详细步骤

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环境

Linux 3.10.0-693.el7.x86_64
Docker version 18.09.0
docker-compose version 1.17.0

安装

安装 docker 所需依赖

$ sudo yum install -y yum-utils device-mapper-persistent-data lvm2

安装 docker-ce

 $ sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo
 $ sudo yum install docker-ce
 $ sudo systemctl start docker
 $ docker --version
 $ sudo docker run hello-world

安装 docker-compose

$ sudo curl -L https://github.com/docker/compose/releases/download/1.17.0/docker-compose-`uname -s`-`uname -m` -o /usr/bin/docker-compose
$ sudo chmod +x /usr/bin/docker-compose
$ docker-compose --version

编写 docker-compose.yml

$ mkdir ./blog
$ cd blog
$ sudo vim docker-compose.yml

version: '3'

services:
 db:
  image: mysql:5.7
  volumes: # 数据卷，映射本地文件夹
  - db_data:/var/lib/mysql
  ports: # 如果不写端口映射的话，外部无法连接该mysql（下方WordPress连接没问题）
  - "3306:3306"                       
  restart: always
  environment:
  MYSQL_ROOT_PASSWORD: xxx
  MYSQL_DATABASE: wordpress
  MYSQL_USER: wordpress
  MYSQL_PASSWORD: wordpress

 wordpress:
  depends_on: # 依赖上方的 db service
  - db
  image: wordpress:latest
  volumes:
  - wp_site:/var/www/html
  ports:
  - "8000:80"
  restart: always
  privileged: true
  environment:
  # 可以直接使用 上方 service 名 + 端口来获得链接 
  WORDPRESS_DB_HOST: db:3306
  WORDPRESS_DB_USER: wordpress
  WORDPRESS_DB_PASSWORD: wordpress
  # 定义域名
  WORDPRESS_CONFIG_EXTRA: "define('WP_HOME','https://blog.amoyiki.com'); define('WP_SITEURL','https://blog.amoyiki.com');"

volumes:
 db_data:
 wp_site:

运行容器

# 启动
$ sudo docker-compose up -d
# 关闭 
$ sudo docker-compose down

现在可以用 http://ip:port 来访问。如果发现无法访问，可以查看容器日志寻找错误

$ sudo docker-compose ps
 Name    Command      State        Ports    

blog_db_1 docker-entrypoint.sh mysqld Up 0.0.0.0:3306->3306/tcp, 33060/tcp
blog_wordpress_1 docker-entrypoint.sh apach ... Up 0.0.0.0:8000->80/tcp 
# 主要后面的 WordPress 是服务的名字 这和 docker 查看日志使用容器名不同
$ sudo docker-compose logs -f --tail=10 wordpress 
$ sudo docker-compose logs -f --tail=10 db

使用主机 Nginx 反代 docker wordpress

nginx 的配置文件如下(省略不相干内容)

user root; # 这是由于 docker 容器内 WordPress 文件用户为 www-data

server {
 listen 80;
 server_name *.amoyiki.com;
 return 301 https://$host$request_uri;                
}
upstream wordpress-workhorse {
 server 127.0.0.1:8000 fail_timeout=10s;
}
server { 
 server_name blog.amoyiki.com;
 listen 443 ssl;
 ssl on;
 ssl_certificate /ssl/path/fullchain.pem;
 ssl_certificate_key /ssl/path/privkey.pem;
 access_log /var/log/nginx/access.log main;
 # 主机中 WordPress 数据卷位置
 root /var/lib/docker/volumes/blog_wp_site/_data;


 location / {
  proxy_pass http://wordpress-workhorse;
  proxy_set_header Host $host;
  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 https;
 }
 
 location ~* \.(js|css|png|jpg|jpeg|gif|ico)$ {
  expires 7d;
  access_log off;             
 }

 error_page 500 502 503 504 /50x.html;
 location = /50x.html {
  root html;
 }
}

错误合集

nginx error Permission denied