AWS FAQ: Infrastructure as Code (IaC)
1. What is Infrastructure as Code (IaC) and why is it important in AWS?
Infrastructure as Code (IaC) allows you to manage and provision AWS infrastructure using code rather than manual processes. This leads to consistency, speed, and auditability in deployments.
πΊοΈ Step-by-Step Instructions:
- Choose a tool like AWS CloudFormation, Terraform, or AWS CDK.
- Write code describing your infrastructure components.
- Deploy using CLI or CI/CD pipelines.
π₯ Example Input:
Resources:
MyBucket:
Type: AWS::S3::Bucket
π Expected Output:
An S3 bucket named MyBucket is created in your AWS account.
β AWS CloudFormation Example:
AWSTemplateFormatVersion: '2010-09-09'
Resources:
MyBucket:
Type: AWS::S3::Bucket
π Detailed Explanation:
- Reusability: Reuse templates for consistent setups.
- Automation: Reduce human error and deploy faster.
- Versioning: Track changes via version control.
π οΈ Use Cases:
- Deploying repeatable environments.
- Managing infrastructure through CI/CD.
- Infrastructure auditing and rollback.
