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 \
ca-certificates \
curl \
gnupg \
lsb-release
Add Docker’s official GPG key:
sudo mkdir -p /etc/apt/keyrings curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo gpg --dearmor -o /etc/apt/keyrings/docker.gpgUse the following command to set up the repository:
echo \
"deb [arch=$(dpkg --print-architecture) signed-by=/etc/apt/keyrings/docker.gpg] https://download.docker.com/linux/ubuntu \
$(lsb_release -cs) stable" | sudo tee /etc/apt/sources.list.d/docker.list > /dev/nullInstall docker engine : Update the apt package index, and install the latest version of Docker Engine, containerd, and Docker Compose, or go to the next step to install a specific version:
sudo apt-get update
sudo apt-get install docker-ce docker-ce-cli containerd.io docker-compose-plugin
Verify that Docker Engine is installed correctly by running the hello-world image.
sudo service docker startsudo docker run hello-world
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