A.k.a. DevOps config tools.
Exists even before the container era (i.e. work for bare metal machines and VMs).
2 primary use cases: Provisioning and Config management.
Tools:
<ul>
 <li>Ansible (has the largest market share, owned by Redhat)</li>
 <li>Chef</li>
 <li>Puppet</li>
 <li>HashiCorp Terraform</li>
 <li>Pulumi: On a high level, Pulumi has a very similar flow to Terraform. It uses a state backend, provides dry run functionality, reconciles the actual world with the desired state.</li>
 <li>OpenTofu: a fork of Terraform</li>
 <li>Terragrunt is a thin wrapper that provides extra tools for keeping your configurations DRY, working with multiple Terraform modules, and managing remote state.</li>
 <li>SaltStack</li>
 <li>AWS CloudFormation</li>
 <li>Microsoft Azure ARM (Azure Resource Manager)</li>
 <li>Google Cloud Resource Manager</li>
 <li>Google Anthos Config Management - Config Sync: "Config Sync is a GitOps service offered as a part of Anthos."</li>
</ul>
Terraform, OpenTofu, Pulumi written in go
<h2>GitOps</h2>
GitOps is considered a universal best practice for organizations managing Kubernetes configuration at scale.
<a href="https://opengitops.dev/">https://opengitops.dev/</a>
Source control tools: Gitlab, Github, BitBucket.

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