Docker installation and mysql5 7 installation

Every program has its own virtual machine , When we install some software , We use it DOCKER It is convenient to install some software ;

First of all, in accordance with the DOCKER

Environmental Science

System ：centos 8

CPU:2 

Memory ：4G

According to the official website, follow the script ：

curl -sSL https://get.daocloud.io/docker | sh

Input at the console ：

docker version

Output

[root@VM-16-10-centos home]# docker version
Client: Docker Engine - Community
 Version:           20.10.10
 API version:       1.41
 Go version:        go1.16.9
 Git commit:        b485636
 Built:             Mon Oct 25 07:42:56 2021
 OS/Arch:           linux/amd64
 Context:           default
 Experimental:      true

Server: Docker Engine - Community
 Engine:
  Version:          20.10.10
  API version:      1.41 (minimum version 1.12)
  Go version:       go1.16.9
  Git commit:       e2f740d
  Built:            Mon Oct 25 07:41:17 2021
  OS/Arch:          linux/amd64
  Experimental:     false
 containerd:
  Version:          1.4.11
  GitCommit:        5b46e404f6b9f661a205e28d59c982d3634148f8
 runc:
  Version:          1.0.2
  GitCommit:        v1.0.2-0-g52b36a2
 docker-init:
  Version:          0.19.0
  GitCommit:        de40ad0

Then install MYSQL 5.7

pull Mirror to local

docker pull mysql:5.7

After execution mysql The mirrored version is pulled locally ; grammar ： docker pull name ： edition

adopt docker images Look at the mirror image

[root@VM-16-10-centos home]# docker images
REPOSITORY   TAG       IMAGE ID       CREATED       SIZE
mysql        5.7       938b57d64674   3 weeks ago   448MB
mysql        latest    ecac195d15af   3 weeks ago   516MB

  Run start , as follows ：

docker run -d -p 3306:3306 --name mysql \
-v /home/mysql/mysql/conf:/etc/mysql \
-v /home/mysql/mysql/logs:/var/log/mysql \
-v /home/mysql/mysql/data:/var/lib/mysql \
-e MYSQL_ROOT_PASSWORD=12324 \
mysql:5.7 \
--lower_case_table_names=1 \
--max-allowed-packet=1073741824 \
--character_set_server=utf8 \
--innodb_log_file_size=256m

• –name： Container name , It's called mysql
• -e： Configuration information , Configure here mysql Of root User's login password
• -p： Port mapping , Map here host 3306 port To Container of 3306 port
• -d： Background running container , Ensure that the container continues to run after exiting the terminal
• -v： Data volume mount

If your server is in China , The following error occurs

docker: Error response from daemon: Get https://registry-1.docker.io/v2/: net/http: re

Timeout while waiting for header ,   The request was cancelled while waiting for the connection ( client ).Docker The default source is foreign official source , Slow download , It can be changed to domestic image source .

[root@localhost ~]# cd /etc/docker
[root@localhost docker]# ls
daemon.json  key.json
[root@localhost docker]# vim daemon.json 
 
{
 
  "registry-mirrors": ["http://hub-mirror.c.163.com"]
 
}
# Then restart 
[root@localhost docker]# systemctl daemon-reload 
[root@km docker]# systemctl restart docker   

Running MYSQL

docker run -d -p 3306:3306 --name mysql \
-v /home/mysql/mysql/conf:/etc/mysql \
-v /home/mysql/mysql/logs:/var/log/mysql \
-v /home/mysql/mysql/data:/var/lib/mysql \
-e MYSQL_ROOT_PASSWORD=12324 \
mysql:5.7 \
--lower_case_table_names=1 \
--max-allowed-packet=1073741824 \
--character_set_server=utf8 \
--innodb_log_file_size=256m

function docker ps |grep mysql

[root@VM-16-10-centos home]# docker ps|grep mysql
17d95f1a7f4d   mysql:5.7   "docker-entrypoint.s…"   30 minutes ago   Up 30 minutes   0.0.0.0:3306->3306/tcp, :::3306->3306/tcp, 33060/tcp   mysql

Installation successful