Setting up jenkins,docker and git pipeline

jenkins-aws-docker.sh

## Install Jenkins

$ sudo yum update
$ sudo wget -O /etc/yum.repos.d/jenkins.repo http://pkg.jenkins-ci.org/redhat-stable/jenkins.repo
$ sudo rpm --import http://pkg.jenkins-ci.org/redhat-stable/jenkins-ci.org.key
$ sudo yum install jenkins
$ sudo service jenkins start
$ sudo chkconfig jenkins on

## Install Docker (Amazon EC2 Container Service)
$ sudo yum install -y ecs-init
$ sudo gpasswd -a jenkins docker
$ sudo service docker start
$ sudo chkconfig docker on

## Install Git
$ sudo yum install git

#### If you are using the GitHub plug-in then you should create a key to log in to GitHub

$ sudo su -s /bin/bash jenkins
$ cd /var/lib/jenkins/
$ ssh-keygen
$ cat .ssh/id_rsa.pub

#### Copy the public key, which was just concatenated onto the screen, and add it to your GitHub keys.

$ sudo reboot