Centos7使用docker部署生产环境中间件的详细步骤
作者:kobe_OKOK_
1 环境信息
linux 查看系统信息 cat /etc/os-release
[root@VM-0-16-centos ~]# cat /etc/os-release NAME="CentOS Linux" VERSION="7 (Core)" ID="centos" ID_LIKE="rhel fedora" VERSION_ID="7" PRETTY_NAME="CentOS Linux 7 (Core)" ANSI_COLOR="0;31" CPE_NAME="cpe:/o:centos:centos:7" HOME_URL="https://www.centos.org/" BUG_REPORT_URL="https://bugs.centos.org/" CENTOS_MANTISBT_PROJECT="CentOS-7" CENTOS_MANTISBT_PROJECT_VERSION="7" REDHAT_SUPPORT_PRODUCT="centos" REDHAT_SUPPORT_PRODUCT_VERSION="7"
2 安装docker和docker-compose
2.1 docker
[root@VM-0-16-centos ~]# docker --version Docker version 26.1.4, build 5650f9b
2.2 docker-compose
在 CentOS 7 上安装 docker-compose
(推荐安装最新版本)的方法如下:
前提条件
确保已安装 Docker:
docker -v
如果未安装,可以执行:
sudo yum install -y yum-utils sudo yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo sudo yum install -y docker-ce docker-ce-cli containerd.io sudo systemctl start docker sudo systemctl enable docker
安装docker-compose(推荐使用二进制)
1. 下载最新版本的docker-compose
sudo curl -L "https://github.com/docker/compose/releases/latest/download/docker-compose-$(uname -s)-$(uname -m)" -o /usr/local/bin/docker-compose
2. 赋予执行权限
sudo chmod +x /usr/local/bin/docker-compose
3. 验证安装
docker-compose version
输出示例:
Docker Compose version v2.27.0
可选:添加到系统 PATH(如报 “找不到命令”)
sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
设置开机启动 Docker
sudo systemctl enable docker
3 部署容器
下面是一个完整的 docker-compose.yml
文件,配置了:
4 个服务:redis
, mysql
, emqx
, tdengine
数据持久化:挂载数据卷
远程访问:
Redis
绑定外网端口 + 修改配置MySQL
绑定外网端口 + 授权远程访问
自动重启:设置 restart: always
开机自启动:由 Docker 守护进程管理(systemctl enable docker
)
docker-compose.yml
version: '3.8' services: redis: image: redis:7 container_name: redis ports: - "6379:6379" volumes: - ./data/redis:/data - ./config/redis/redis.conf:/usr/local/etc/redis/redis.conf command: ["redis-server", "/usr/local/etc/redis/redis.conf"] restart: always mysql: image: mysql:8.0 container_name: mysql ports: - "3306:3306" environment: MYSQL_ROOT_PASSWORD: yourpassword MYSQL_DATABASE: mydb volumes: - ./data/mysql:/var/lib/mysql - ./config/mysql/my.cnf:/etc/mysql/conf.d/my.cnf restart: always emqx: image: emqx/emqx:latest container_name: emqx ports: - "1883:1883" # MQTT 协议端口 - "8083:8083" # WebSocket 端口 - "18083:18083" # Dashboard 管理页面 volumes: - ./data/emqx:/opt/emqx/data restart: always tdengine: image: tdengine/tdengine:latest container_name: tdengine ports: - "6030:6030" # shell 接口 - "6041:6041" # REST API 接口 volumes: - ./data/tdengine:/var/lib/taos restart: always
文件结构建议
project/
├── docker-compose.yml
├── data/
│ ├── redis/
│ ├── mysql/
│ ├── emqx/
│ └── tdengine/
└── config/
├── redis/
│ └── redis.conf
└── mysql/
└── my.cnf
redis.conf 示例(用于远程访问)
路径:config/redis/redis.conf
bind 0.0.0.0 protected-mode no port 6379 dir /data appendonly yes
my.cnf 示例(MySQL 远程访问)
路径:config/mysql/my.cnf
[mysqld] bind-address = 0.0.0.0
设置开机启动(仅需一次)
sudo systemctl enable docker
启动容器
docker-compose up -d
授权 MySQL 远程访问用户(示例)
docker exec -it mysql mysql -u root -p
ALTER USER 'root'@'%' IDENTIFIED WITH mysql_native_password BY 'yourpassword'; GRANT ALL PRIVILEGES ON *.* TO 'root'@'%' WITH GRANT OPTION; FLUSH PRIVILEGES;
开放防火墙端口(可选)
sudo firewall-cmd --permanent --add-port=3306/tcp sudo firewall-cmd --permanent --add-port=6379/tcp sudo firewall-cmd --reload
创建远程用户
mysql> create user 'wms'@'%' identified by 'wms_root'; Query OK, 0 rows affected (0.00 sec) mysql> GRANT ALL PRIVILEGES ON *.* TO 'wms'@'%' WITH GRANT OPTION; Query OK, 0 rows affected (0.00 sec) mysql> FLUSH PRIVILEGES; Query OK, 0 rows affected (0.00 sec)
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