環(huán)境
- Linux 3.10.0-693.el7.x86_64
- Docker version 18.09.0
- docker-compose version 1.17.0
安裝
安裝 docker 所需依賴
$ sudo yum install -y yum-utils device-mapper-persistent-data lvm2
安裝 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
安裝 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
編寫(xiě) docker-compose.yml
$ mkdir ./blog
$ cd blog
$ sudo vim docker-compose.yml
version: '3'
services:
db:
image: mysql:5.7
volumes: # 數(shù)據(jù)卷,映射本地文件夾
- db_data:/var/lib/mysql
ports: # 如果不寫(xiě)端口映射的話,外部無(wú)法連接該mysql(下方WordPress連接沒(méi)問(wèn)題)
- "3306:3306"
restart: always
environment:
MYSQL_ROOT_PASSWORD: xxx
MYSQL_DATABASE: wordpress
MYSQL_USER: wordpress
MYSQL_PASSWORD: wordpress
wordpress:
depends_on: # 依賴上方的 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 + 端口來(lái)獲得鏈接
WORDPRESS_DB_HOST: db:3306
WORDPRESS_DB_USER: wordpress
WORDPRESS_DB_PASSWORD: wordpress
# 定義域名
WORDPRESS_CONFIG_EXTRA: "define('WP_HOME','https://blog.amoyiki.com'); define('WP_SITEURL','https://blog.amoyiki.com');"
volumes:
db_data:
wp_site:
運(yùn)行容器
# 啟動(dòng)
$ sudo docker-compose up -d
# 關(guān)閉
$ sudo docker-compose down
現(xiàn)在可以用 http://ip:port 來(lái)訪問(wèn)。如果發(fā)現(xiàn)無(wú)法訪問(wèn),可以 查看容器日志尋找錯(cuò)誤
$ 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 是服務(wù)的名字 這和 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
使用主機(jī) Nginx 反代 docker wordpress
nginx 的配置文件如下(省略不相干內(nèi)容)
user root; # 這是由于 docker 容器內(nèi) WordPress 文件用戶為 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;
# 主機(jī)中 WordPress 數(shù)據(jù)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;
}
}
錯(cuò)誤合集
nginx error Permission denied
"/var/lib/docker/volumes/myblog_wp_site/_data/wp-includes/css/dashicons.min.css" failed (13: Permission denied)
之前我 nginx.conf user 使用的是默認(rèn)的 nobody 無(wú)法讀取 docker 中 wp 的 www-data 這個(gè)用戶組數(shù)據(jù),所以直接將 nginx 用戶提到 root,這個(gè)之后可以優(yōu)化
以上就是本文的全部?jī)?nèi)容,希望對(duì)大家的學(xué)習(xí)有所幫助,也希望大家多多支持腳本之家。