how to install docker on KC868-Server CM4 by raspberry pi OS

[admin]

A. install docker on KC868-Server CM4 on raspberry pi OS

1. sudo curl -sSL https://get.docker.com | sh

2. sudo docker run hello-world

this test whether docker install correct.

3. sudo systemctl daemon-reload

4. sudo systemctl docker

5. sudo systemctl start docker

B. install GUI portainer

1. sudo docker pull portainer/portainer

2. sudo docker volume create portainer_data

3. docker run -d -p 9000:9000 --name portainer --restart always -v /var/run/docker.sock:/var/run/docker.sock -v portainer_data:/data portainer/portainer

4. login web browser by http://ip:9000