https://www.overleaf.com/project/5d7bf06e55ffd300011b9552
https://www.ibm.com/cloud/blog/chef-ansible-puppet-terraform
https://www.redhat.com/cms/managed-files/pa-terraform-and-ansible-overview-f14774wg-201811-en.pdf
https://www.thoughtworks.com/pt/insights/blog/infrastructure-code-reason-smile
https://www.thoughtworks.com/insights/blog/infrastructure-code-iron-age-cloud-age
https://www.slideshare.net/jedi4ever/code-but-not-as-we-know-it-infrastructure-as-code
https://www.ibm.com/cloud/blog/end-to-end-application-provisioning-with-ansible-and-terraform
https://www.hashicorp.com/resources/ansible-terraform-better-together
https://www.hashicorp.com/resources/what-is-mutable-vs-immutable-infrastructure
https://cloud.ibm.com/docs/terraform?topic=terraform-ansible
https://www.ansible.com/overview/how-ansible-works
https://medium.com/faun/ansible-or-terraform-a-short-answer-90a9fd8bb0aa
https://www.oreilly.com/library/view/infrastructure-as-code/9781491924334/ch01.html