It always feels good to build an IT infrastructure from scratch, but when you need to do it regularly it's not so great. Sometimes, you are pushing the same commands, building the same type of servers; the easiest way to do it is by automation.
There are many tools available for automation, so there is no best tool that fits every environment; you should select a tool according to your infrastructure, such as Ansible, CloudFormation, Chef, Puppet, SaltStack, Jenkins, and so on.
In our example, we will be working on CloudFormation and Ansible.
