FROM jenkins/jenkins:lts # if we want to install via apt USER root RUN apt-get update RUN apt-get install -y gnupg-agent curl ca-certificates apt-transport-https software-properties-common RUN curl -fsSL https://download.docker.com/linux/debian/gpg | apt-key add - RUN add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/debian $(lsb_release -cs) stable" RUN apt-get update RUN apt-get install -y docker-ce-cli # drop back to the regular jenkins user - good practice USER jenkins