DevOps is a combination of software development and information technology operations that enables businesses to deliver applications at a faster pace. It brings together development and operations teams so there are fewer redundancies in the software development process.

DevSecOps is a culture shift in the software industry that aims to bake security into the rapid-release cycles that are typical of modern application development and deployment.

DevOps has revolutionized workplaces in many ways. The number of DevOps-related jobs are increasing, while its rank as an in-demand job.

DevOps is important because it's a software development and operations approach that enables faster development of new products and easier maintenance of existing deployments.

What is Infrastructure as Code (IAC) ?
Infrastructure as Code (IaC) is the managing and provisioning of infrastructure through code instead of through manual processes.

With IaC, configuration files are created that contain your infrastructure specifications, which makes it easier to edit and distribute configurations. It also ensures that you provision the same environment every time.

What is Terraform ?

Terraform is an open-source infrastructure as code software tool created by HashiCorp. Users define and provide data center infrastructure using a declarative configuration language known as HashiCorp Configuration Language, or optionally JSON.