CentOS7 docker oneliner installer

CentOS7Docker.sh

#!/bin/bash

sudo yum install -y yum-utils curl && \
    sudo yum-config-manager \
        --add-repo \
        https://download.docker.com/linux/centos/docker-ce.repo && \
    sudo yum install docker-ce docker-ce-cli containerd.io -y && \
    sudo curl -L "https://github.com/docker/compose/releases/download/1.29.2/docker-compose-$(uname -s)-$(uname -m)" \
        -o /usr/local/bin/docker-compose && \
    sudo chmod a+x /usr/local/bin/docker-compose && \
    sudo ln -s /usr/local/bin/docker-compose /usr/bin/docker-compose && \
    sudo groupadd docker && \
    sudo gpasswd -a $USER docker && \
    sudo systemctl start docker