Setup a Linux server. Install docker and jenkins.

setup.sh

#!/bin/bash
# Set LC_CTYPE
echo 'LC_CTYPE="en_US.UTF-8"' >> /etc/default/locale
source /etc/default/locale

# Install docker
apt-get update
apt-get install apt-transport-https ca-certificates
apt-key adv --keyserver hkp://ha.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
echo "deb https://apt.dockerproject.org/repo ubuntu-xenial main" | tee /etc/apt/sources.list.d/docker.list
apt-get update
apt-get install -y docker-engine
service docker start
groupadd docker

# Install jenkins
wget -q -O - https://pkg.jenkins.io/debian/jenkins.io.key | sudo apt-key add -
sh -c 'echo deb http://pkg.jenkins.io/debian-stable binary/ > /etc/apt/sources.list.d/jenkins.list'
apt-get update
apt-get install -y jenkins
usermod -aG docker jenkins