Centos7使用docker部署生產(chǎn)環(huán)境中間件的詳細(xì)步驟
1 環(huán)境信息
linux 查看系統(tǒng)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 安裝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 上安裝 docker-compose(推薦安裝最新版本)的方法如下:
前提條件
確保已安裝 Docker:
docker -v
如果未安裝,可以執(zhí)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
安裝docker-compose(推薦使用二進(jìn)制)
1. 下載最新版本的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. 賦予執(zhí)行權(quán)限
sudo chmod +x /usr/local/bin/docker-compose
3. 驗證安裝
docker-compose version
輸出示例:
Docker Compose version v2.27.0
可選:添加到系統(tǒng) PATH(如報 “找不到命令”)
sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose
設(shè)置開機啟動 Docker
sudo systemctl enable docker
3 部署容器
下面是一個完整的 docker-compose.yml 文件,配置了:
4 個服務(wù):redis, mysql, emqx, tdengine
數(shù)據(jù)持久化:掛載數(shù)據(jù)卷
遠(yuǎn)程訪問:
Redis綁定外網(wǎng)端口 + 修改配置MySQL綁定外網(wǎng)端口 + 授權(quán)遠(yuǎn)程訪問
自動重啟:設(shè)置 restart: always
開機自啟動:由 Docker 守護(hù)進(jìn)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 協(xié)議端口
- "8083:8083" # WebSocket 端口
- "18083:18083" # Dashboard 管理頁面
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
文件結(jié)構(gòu)建議
project/
├── docker-compose.yml
├── data/
│ ├── redis/
│ ├── mysql/
│ ├── emqx/
│ └── tdengine/
└── config/
├── redis/
│ └── redis.conf
└── mysql/
└── my.cnf
redis.conf 示例(用于遠(yuǎn)程訪問)
路徑:config/redis/redis.conf
bind 0.0.0.0 protected-mode no port 6379 dir /data appendonly yes
my.cnf 示例(MySQL 遠(yuǎn)程訪問)
路徑:config/mysql/my.cnf
[mysqld] bind-address = 0.0.0.0
設(shè)置開機啟動(僅需一次)
sudo systemctl enable docker
啟動容器
docker-compose up -d
授權(quán) MySQL 遠(yuǎn)程訪問用戶(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;
開放防火墻端口(可選)
sudo firewall-cmd --permanent --add-port=3306/tcp sudo firewall-cmd --permanent --add-port=6379/tcp sudo firewall-cmd --reload
創(chuàng)建遠(yuǎn)程用戶
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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