Modern cloud infrastructure is too complex to manage manually.

Imagine creating:

10 EC2 instances

5 VPCs

20 Security Groups

15 IAM Roles

3 Load Balancers

Kubernetes Clusters

using only a cloud console.

It quickly becomes:

Slow Error-Prone Difficult to Scale Impossible to Audit

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This is why Infrastructure as Code (IaC) became one of the most important practices in modern DevOps and Cloud Engineering.

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What is Infrastructure as Code (IaC)?

Infrastructure as Code (IaC) is the practice of managing infrastructure through code instead of manually creating resources.

Instead of clicking buttons:

AWS Console ↓ Create EC2 ↓ Create Security Group ↓ Create VPC

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You write:

resource "aws_instance" "web" { ami = "ami-123456" instance_type =…