Architecture and certification

Design well-architected systems and get certified.

📖 Key ideas

Well-Architected pillars: operational excellence, security, reliability, performance, cost, sustainability.
Typical web app: Route 53 → CloudFront → ALB → EC2/ECS → RDS, with S3 for files.
Use Infrastructure as Code: CloudFormation, CDK or Terraform.
Certifications: Cloud Practitioner, Solutions Architect Associate, Developer Associate.
Practise with hands-on labs and the Free Tier.

💡 Real-life example: Well-Architected is a building code: follow it and your cloud house stands strong.

Well-Architected FrameworkAWS best-practice pillars

CloudFormationAWS Infrastructure as Code

CDKDefine infrastructure in programming languages

Cloud PractitionerEntry-level AWS certification