Akemi

Docker-compose部署lnmp

2024/06/18

Docker Compose是一个用于定义和运行多个Docker容器的工具。它使用YAML文件来描述应用程序的服务、网络、存储等资源，并允许用户通过一个命令（如docker-compose up）来启动、停止、重启和管理整个应用程序。Docker Compose可以定义多个Docker容器，每个容器都可以使用自定义的Docker镜像，并可以指定容器之间的依赖关系和通信方式

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docker-compose环境：
centos7.9
docker-compose最新版
192.168.10.1 lnmp

1.docker-compose节点初始化
hostnamectl set-hostname lnmp && bash
nmcli con modify ens18 ipv4.method manual ipv4.addresses 192.168.10.113/24 ipv4.gateway 192.168.10.1 ipv4.dns 192.168.1.1
nmcli con up ens18

yum install -y yum-utils device-mapper-persistent-data lvm2 wget net-tools nfs-utils lrzsz gcc gcc-c++ make cmake libxml2-devel openssl-devel curl curl-devel unzip sudo ntp libaio-devel wget vim ncurses-devel autoconf automake zlib-devel  python-devel epel-release openssh-server socat  ipvsadm conntrack ntpdate telnet ipvsadm

yum -y install chrony
sed -i 's/^server/#server/g' /etc/chrony.conf
sed -i '1s/^/server cn.pool.ntp.org iburst\n/' /etc/chrony.conf
systemctl restart chronyd

sed -i  's/SELINUX=enforcing/SELINUX=disabled/g' /etc/selinux/config
setenforce 0
systemctl  disable firewalld --now

modprobe br_netfilter
cat > /etc/sysctl.d/k8s.conf <<EOF
net.bridge.bridge-nf-call-ip6tables = 1
net.bridge.bridge-nf-call-iptables = 1
net.ipv4.ip_forward = 1
EOF
sysctl -p /etc/sysctl.d/k8s.conf

yum-config-manager --add-repo http://mirrors.aliyun.com/docker-ce/linux/centos/docker-ce.repo
yum install docker-ce docker-compose -y
systemctl enable docker --now

2.常用命令
#启动并后台运行所有的服务 
docker-compose up  -d 
#列出项目中目前的所有容器 
docker-compose ps 
#停止某个服务 
docker-compose stop 服务名 
#启动某个服务 
docker-compose start 服务名 
#停止并删除容器、网络、卷、镜像 
docker-compose down

3.准备镜像与配置文件
docker images
REPOSITORY   TAG          IMAGE ID       CREATED       SIZE
nginx        latest       605c77e624dd   2 years ago   141MB
mysql        5.6          dd3b2a5dcb48   2 years ago   303MB
php          7.3.29-fpm   4c013e5980cf   2 years ago   453MB

nginx配置文件
mkdir /root/lnmp/nginx/conf -p
server {
    listen       80;
    root   /usr/share/nginx/html;
    index   index.html index.htm index.php;
    # redirect server error pages to the static page /50x.html
    #
    error_page   500 502 503 504  /50x.html;
    location = /50x.html {
        root   /usr/share/nginx/html;
    }

    location / {
        index  index.html index.htm index.php ;
        try_files $uri $uri/ /index.php?$query_string;
        autoindex  on;
    }

    location ~ \.php$ {
        #php73是容器命名
        fastcgi_pass   php73:9000;
        fastcgi_index  index.php;
        include        fastcgi_params;
        fastcgi_param  PATH_INFO $fastcgi_path_info;
        fastcgi_param  SCRIPT_FILENAME  /var/www/html/$fastcgi_script_name;
    }

}

docker-compose文件

#定义docker compose yml版本
version: "3"  
#定义我们的服务对象
services:   
#自定义的服务名称
  nginx:    
     #镜像名称，默认拉取本地镜像，没有的话从远程获取
     image: nginx:latest
     #自定义容器的名称
     container_name: c_nginx
     #将宿主机的80端口映射到容器的80端口
     ports:
      - "80:80"
     #将宿主机的~/lnmp/www目录和容器的/usr/share/nginx/html目录进行绑定，并设置rw权限
     #将宿主机的~/lnmp/nginx/conf/default.conf和容器的/etc/nginx/conf.d/default.conf进行绑定
     volumes:
      - ~/lnmp/www/:/usr/share/nginx/html/:rw
      - ~/lnmp/nginx/conf/default.conf:/etc/nginx/conf.d/default.conf
     #设置环境变量，当前的时区
     environment:
      TZ: "Asia/Shanghai"
     #容器是否随docker服务启动重启
     restart: always
     #容器加入名为lnmp的网络
     networks:
      - lnmp
  php:
    image: php:7.3.29-fpm
    container_name: php73
    volumes:
      - ~/lnmp/www/:/var/www/html/:rw
    restart: always
    cap_add:
      - SYS_PTRACE
    networks:
      - lnmp

  mysql:
    image: mysql:5.6
    container_name: mysql56
    ports:
      - "3306:3306"
    volumes:
      - ~/lnmp/mysql/data:/var/lib/mysql/:rw
    restart: always
    networks:
      - lnmp
    environment:
      MYSQL_ROOT_PASSWORD: "123456"
      TZ: "Asia/Shanghai"
networks:   
  #创建了一个自定义的网络叫做lnmp
  lnmp:

---------------------------------------------------------------
4.启动docker-compose
docker-compose up -d
docker-compose ps
     Name                    Command               State                    Ports
---------------------------------------------------------------------------------------------------
container_nginx   /docker-entrypoint.sh ngin ...   Up      0.0.0.0:80->80/tcp,:::80->80/tcp
mysql6            docker-entrypoint.sh mysqld      Up      0.0.0.0:3306->3306/tcp,:::3306->3306/tcp
php73             docker-php-entrypoint php-fpm    Up      9000/tcp

5.测试
(1)测试nginx作为http服务器是否可用
echo "wangsheng123" >> ~/lnmp/www/index.html

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(2)测试nginx处理php请求
cat > ~/lnmp/www/a.php <<EOF
<?php
  phpinfo();
?>
EOF

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(3)测试php代码连接mysql
docker exec -it php73 /bin/bash
docker-php-ext-install pdo pdo_mysql mysqli # 安装插件
docker-php-ext-enable pdo pdo_mysql mysqli

vim ~/lnmp/www/mysql.php

<?php
// 创建连接
$conn = new mysqli('mysql6','root','123456');
if($conn->connect_error){
    die("连接失败，错误:" . $conn->connect_error);
}
echo "mysql连接成功";

docker-compose restart

原文作者：王盛

原文链接：https://akemi.zj.cn/2024/06/18/Docker-compose/

发表日期：June 18th 2024, 10:15:22 pm

更新日期：February 20th 2025, 6:37:27 pm

版权声明：本文采用知识共享署名-非商业性使用 4.0 国际许可协议进行许可

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