Install docker under centos7, provide mysql, redis services

docker installation

1. Installation dependencies

yum install -y yum-utils device-mapper-persistent-data lvm2

2. Add source

yum-config-manager --add-repo https://download.docker.com/linux/centos/docker-ce.repo

3. Installation

yum install docker-ce

4. Start docker

systemctl start docker

docker provides mysql service

1. Install mysql mirror

docker pull mysql:5.6.35

2. Build & start the mysql container

docker run --name blankmysql -p 1234:3306 -e MYSQL_ROOT_PASSWORD=my-pass -d mysql:5.6.35

Explanation:
--name specifies the name of the container
-p server mapping port: mysql port maps the server port to the docker mysql container port
-e MYSQL_ROOT_PASSWORD=my-pass specifies the mysql root user password as my-pass
-d mysql:5.6.35 Specify mirror and TAG

3. Test connection The
cloud server opens the corresponding port security group and uses Navicat to test the connection
or
use the command line test to
view the running container

docker ps

docker exec -it 容器id bash
mysql -u root -p
输入上面设置的密码登录数据库

Docker provides redis service

1. Install redis mirror

docker pull redis

2. Build & start redis container

docker run --name blankredis -p 1235:6379 -v $PWD/data:/data -d redis redis-server --appendonly yes --requirepass my-pass

Explanation:
--name set container name
-p server mapping port: redis port
-v $PWD/data:/data mount redis data directory to server data directory
--appendonly yes enable AOF mode for data persistence
--requirepass setting redis password

3. Test the connection
Use RedisDesktopManager to test the connection