SCSammed Chouguleinaws-saa-journey.hashnode.dev·Aug 2 · 22 min readCracking SAA-C03 Scenarios: End-to-End Architecture WalkthroughsElena spent four months on this series. She could recite the difference between gp3 and io2 without blinking. She knew Secrets Manager rotates credentials and Parameter Store usually does not. She had00
SCSammed Chouguleinaws-saa-journey.hashnode.dev·Jul 6 · 16 min readProtecting and Observing AWS Architectures: WAF, Shield, Secrets, and MonitoringA small team ships a public API on an Application Load Balancer. No WAF attached. Database credentials sit in plain text inside the EC2 user data script, because that was faster than setting up someth00
SCSammed Chouguleinaws-saa-journey.hashnode.dev·May 30 · 17 min readChoosing the Right AWS Database: RDS, Aurora, DynamoDB, and RedshiftPicture this. It is 11 PM on a Friday. A product launch went better than expected, traffic is three times the normal level, and the on-call engineer is staring at a single PostgreSQL instance running 00
SCSammed Chouguleinaws-saa-journey.hashnode.dev·May 15 · 20 min readStoring and Accelerating Data on AWS: S3, EBS, EFS, and ElastiCacheThe Bill That Changed Everything A few years ago, a team I worked with ran a SaaS application on AWS with what seemed like a simple setup: every EC2 instance wrote its access logs to a gp2 EBS volume,00
SCSammed Chouguleinaws-saa-journey.hashnode.dev·May 6 · 16 min readScaling Compute on AWS: EC2, Load Balancers, and Auto ScalingIt was a Tuesday morning launch. The marketing team had prepared a product announcement for weeks, and the engineering team had manually resized the web server from a t3.small to a t3.xlarge the night00