Infrastructure as Code

Infrastructure Provisioning

• Creates VMs, firewalls, networks, load balancers, IP addresses, and more

Terraform

• Automates infrastructure provisioning in cloud providers such as Amazon Web Services, Microsoft Azure, and Google Cloud Platform

AWS CloudFormation

• Automates infrastructure provisioning in Amazon Web Services
• Uses stack templates (YAML or JSON) to define and deploy infrastructure

Post-Provisioning Configuration

Ansible

• Configures servers after they are provisioned
• Executes tasks over SSH on specified VMs
• Installs software, updates packages, manages configuration files

Summary

Terraform or AWS CloudFormation provisions infrastructure.

Ansible configures the provisioned infrastructure.