Docker

1. Update the apt package index and install packages to allow apt to use a repository over HTTPS:

    sudo apt-get update
    sudo apt-get install -y \
        apt-transport-https \
        ca-certificates \
        curl \
        gnupg \
        lsb-release
   

2. Add Docker’s official GPG key:

    curl -fsSL https://mirror.sjtu.edu.cn/docker-ce/linux/ubuntu/gpg | sudo apt-key add –
   

3. Use the following command to set up the stable repository.

    sudo apt-get install -y software-properties-common
    sudo add-apt-repository "deb [arch=amd64] https://mirror.sjtu.edu.cn/docker-ce/linux/ubuntu/  $(lsb_release -cs)  stable"
   

4. INSTALL DOCKER ENGINE

    sudo apt-get update
    sudo apt-get install -y docker-ce docker-ce-cli containerd.io