Docker 搭建 LNMP + Wordpress

网友投稿 289 2022-10-31

一、项目模拟

1. 项目环境

公司在实际的生产环境中，需要使用 Docker 技术在一台主机上创建 LNMP 服务并运行 Wordpress 网站平台。然后对此服务进行相关的性能调优和管理工作。

所有安装包下载：

wget 或者wget -r -np 服务器环境

容器	操作系统	IP地址	主要软件
nginx	CentOS 7	172.111.0.10	Docker-Nginx
mysql	CentOS 7	172.111.0.20	Docker-Mysql
mysql	CentOS 7	172.111.0.30	Docker-php

3.任务需求

使用 Docker 构建 LNMP 环境并运行 Wordpress 网站平台限制 Nginx 容器最多使用 500MB 的内存和 1G 的 Swap限制 Mysql 容器写 /dev/sda 的速率为 10 MB/s将所有容器进行快照，然后将 Docker 镜像打包成 tar 包备份到本地

二、Linux 系统基础镜像

[root@docker ~]# systemctl disable --now firewalld[root@docker ~]# setenforce 0setenforce: SELinux is disabled[root@docker ~]# docker pull centos:7#从公有仓库中下载 centos7 作为系统基础镜像[root@docker ~]# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEcentos 7 eeb6ee3f44bd 4 weeks ago 204MB

三、Nginx

1. 建立工作目录

[root@docker ~]# mkdir /opt/nginx[root@docker ~]# cd /opt/nginx[root@docker nginx]# rz -Erz waiting to receive.#上传 nginx 安装包 nginx-1.12.0.tar.gz[root@docker nginx]# rz -Erz waiting to receive.#上传 wordpress 服务包 wordpress-4.9.4-zh_CN.tar.gz

2. 编写 Dockerfile 脚本

[root@docker nginx]# vim Dockerfile FROM centos:7MAINTAINER this is nginx image RUN yum -y install pcre-devel zlib-devel gcc gcc-c++ make;useradd -M -s /sbin/nologin nginxADD nginx-1.12.0.tar.gz /usr/local/src/WORKDIR /usr/local/src/nginx-1.12.0RUN ./configure \--prefix=/usr/local/nginx \--user=nginx \--group=nginx \--with--j 4 && make installENV PATH /usr/local/nginx/sbin:$PATHADD nginx.conf /usr/local/nginx/conf/ADD wordpress-4.9.4-zh_CN.tar.gz /usr/local/nginx/htmlRUN chmod 777 -R /usr/local/nginx/html/EXPOSE 80VOLUME [ "/usr/local/nginx/html/" ]CMD [ "/usr/local/nginx/sbin/nginx","-g","daemon off;" ]

3. 准备 nginx.conf 配置文件

[root@docker nginx]# lsDockerfile nginx-1.12.0.tar.gz nginx.conf wordpress-4.9.4-zh_CN.tar.gz[root@docker nginx]# egrep -v "^(.)*#(.)*$" nginx.conf | grep -v "^$"worker_processes 1;events { worker_connections 1024;}{ include mime.types; default_type application/octet-stream; sendfile on; keepalive_timeout 65; server { listen 80; server_name localhost; charset utf-8; location / { root html; index index.html index.php; } error_page 500 502 503 504 /50x.html; location = /50x.html { root html; } location ~ \.php$ { root html; fastcgi_pass 172.111.0.30:9000; fastcgi_index index.php; fastcgi_param SCRIPT_FILENAME /usr/local/nginx/html$fastcgi_script_name; include fastcgi_params; } }}

4. 生成镜像

[root@docker nginx]# docker build -t nginx:lnmp .[root@docker nginx]# docker imagesREPOSITORY TAG IMAGE ID CREATED SIZEnginx lnmp 35a6404fcfa1 5 seconds ago 522MBcentos 7 eeb6ee3f44bd 4 weeks ago 204MB

5. 创建自定义网络

[root@docker nginx]# docker network create --subnet=172.111.0.0/16 --opt "com.docker.network.bridge.name"="docker1" mynetwork0cbe1bd0bd782bf1c8e69916d99427970196de22deb312f970e01030406d9b45[root@docker nginx]# docker network lsNETWORK ID NAME DRIVER SCOPEdd7a55d01f86 bridge bridge local63ddf1e359e9 host host local0cbe1bd0bd78 mynetwork bridge locala4b66a8a6cd2 none null local[root@docker nginx]# ifconfig docker1docker1: flags=4099 mtu 1500 inet 172.111.0.1 netmask 255.255.0.0 broadcast 172.111.255.255 ether 02:42:40:dc:e8:1d txqueuelen 0 (Ethernet) RX packets 0 bytes 0 (0.0 B) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 0 bytes 0 (0.0 B) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0

6. 启动镜像容器

[root@docker nginx]# docker run -d --name nginx -p 80:80 -m 500m --memory-swap 1g --net mynetwork --ip 172.111.0.10 nginx:lnmp57616d4ea225c82a50b731472b003dabfd681e8dc6c6ef85a9bb2f665354334b[root@docker nginx]# docker ps -aCONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES57616d4ea225 nginx:lnmp "/usr/local/nginx/sb…" 13 seconds ago Up 12 seconds 0.0.0.0:80->80/tcp, :::80->80/tcp nginx[root@docker nginx]# docker inspect nginx······ "IPv4Address": "172.111.0.10"······

7. 验证 nginx

[root@docker nginx]# curl html>Welcome to nginx!