https://download.docker.com/linux/

rpm install

sudo yum install /path/to/package.rpm

start docker

sudo systemctl start docker

Verify that docker is installed correctly by running the hello-world image.

sudo docker run hello-world

To create the docker group and add your user:

1. Create the docker group.

sudo groupadd docker

2. Add your user to the docker group.

sudo usermod -aG docker $USER

log out

verify

docker run hello-world

Configure Docker to start on boot

sudo systemctl enable docker

disable

sudo systemctl disable docker

add insecure registry

sudo vim /etc/docker/daemon.json

{
  "insecure-registries": ["your-domain"]
}

restart docker

sudo systemctl start docker

Install docker-compose

 sudo curl -L https://github.com/docker/compose/releases/download/1.19.0/docker-compose-`uname -s`-`uname -m` -o /usr/local/bin/docker-compose
 sudo chmod +x /usr/local/bin/docker-compose