Synthèse d'installation Docker pour Debian 10 Buster (en root)

apt update \
&& apt install -y apt-transport-https ca-certificates curl gnupg2 software-properties-common \
&& curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add - && apt-key fingerprint 0EBFCD88 \
&& add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable" \
&& apt update \
&& apt install -y docker-ce docker-ce-cli containerd.io

(source https://docs.docker.com/install/linux/docker-ce/debian/)