How to install docker on Ubuntu

We follow the procedure given by docker.

$ sudo apt-get update

$ sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
    
$ curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
    
$ sudo apt-key fingerprint 0EBFCD88    

$ sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \
   $(lsb_release -cs) \
   stable"
   
$ sudo apt-get install docker-ce

We do the classical test :

$ sudo docker run hello-world

and then we say to linux to start docker at boot :

$ sudo systemctl enable docker

That’s it !