Install Docker

1. Get all necessary tools

sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common

2. Add Docker’s official GPG key

curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -

3. Vertify fingerprint Docker fingerprint: 9DC8 5822 9FC7 DD38 854A E2D8 8D81 803C 0EBF CD88

sudo apt-key fingerprint 0EBFCD88

4. Setup Docker's stable repository

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

5. Install Docker-ce

sudo apt update
sudo apt install docker-ce

Note: if you want older version of docker, use this command instead `sudo apt-get install docker-ce=

6. Vertify Docker install

sudo docker run hello-world