Templating is a huge work power in Ansible when we want to write reusable code. Just imagine about having to create different playbooks and roles for every host that have a slightly different configuration from each other. That would be nonsense. Luckily we have configuration file templates in Ansible to make our life easier, and Infrastructure as Code less complex. We have already used Jinja2 templates in our playbook when we included variables. Let’s investigate what else can we do!