FROM jenkins/jenkins:2.89.1
USER root

RUN bash -c "if ! [ -e /usr/lib/apt/methods/https ]; then apt-get update && apt-get install -y apt-transport-https; fi"

RUN set -ex \
 && apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-keys 9DC858229FC7DD38854AE2D88D81803C0EBFCD88 \
 && sh -c "echo deb [arch=amd64] https://download.docker.com/linux/debian jessie stable > /etc/apt/sources.list.d/docker.list" \
 && apt-get update && apt-get install -y docker-ce \
 && apt-get install -y sudo \
 && echo "jenkins ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers

USER jenkins