Throughout this book, I will use an Amazon EC2 instance, and since it is a superb place to host your PaaS, I will recommend that you do the same.
EC2 stands for Elastic Compute Cloud, and it is an infrastructure type of service. Amazon EC2 offers virtual servers that are created and available within a minute of ordering them.
Amazon has instances named
t[x].micro that you can use for free for 750 hours per month. You can read more about them at http://aws.amazon.com/free.
Amazon has its own Linux named Amazon Linux AMI that can be used to run Docker.
Let's see how the installation is done with the following steps: