Install MySQL database in docker

1. Install docker

1.Install docker

1) Use an account with administrator rights to install and enter the installation command:

yum -y install docker.io 或 apt-get install -y docker.io

2) What you install using the above command may not be the latest version of docker. To install the latest version of docker, enter the command:

curl -s https://get.docker.com | sh

2. Start docker and use the command:

service docker start 或systemctl start docker.service

3. To check the docker version, use the command:

docker version

4. To delete docker, use the command:

yum -y remove docker-engine

5. Docker is set to start automatically after booting, use the command:

systemctl enable docker

2. MySQL installation and deployment

1. To view available MySQL, use the command:

docker search mysql

2. Pull the docker image and install it, using the command:

docker pull mysql:8.0

3. To view the running status of the container, use the command:

docker container ls

4. To list the running containers, use the command:

docker ps

Remarks: docker ps [OPTIONS] description:

1. -a: Display all containers, including those that are not running.
2. -f: Filter the displayed content according to the condition.
3. –format: Specifies the template file for the return value.
4. -l: Show recently created containers.
5. -n: List the last n containers created.
6. --no-trunc: Do not truncate output.
7. -q: Quiet mode, only display the container number.
8. -s: Display the total file size.

5. Install MySQL and create an administrator account and password for MySQL. Use the command:

docker run -itd --name mysql8.0 -p 3306:3306 -e MYSQL_ROOT_PASSWORD=root1234 mysql:8.0 --lower_case_table_names=1 --max_connections=10000;

Remark:

lower_case_table_names=1: ignore case;

max_connections: maximum number of connections;

–name: Specify a name for the container, here named mysql8.0

-e: configuration information, where the login password of the root user of mysql is configured

-p: port mapping, where port 3306 of the host is mapped to port 3306 of the container

-d: Run the container in the background and return the container ID;

6. Log in to the container

You need to start the container before logging in to the container: docker start container id

Log in to the container: docker exec -it container id /bin/bash

7. Log in to mysql

Enter the container and log in to MySQL from the container: mysql -uroot -proot1234

8. Set up remote connection

Set according to MySQL version

(1) To set up a remote connection in MySQL 5.7, use the command:

use mysql;

grant all privileges on *.* to 'root'@'%' identified by 'root1234' with option;#Set up remote connection

Flush privileges;#Refresh privileges

(2) To set up a remote connection for MySQL version 8.0 or above, use the command:

use mysql;

GRANT ALL PRIVILEGES ON *.* TO 'root'@'%';#Set up remote connection

Flush privileges;#Refresh privileges

9. Set the mysql database in docker to start automatically at boot:

docker update mysql8.0 --restart=always 容器id