@SammedC

Scaling Compute on AWS: EC2, Load Balancers, and Auto Scaling

2d ago · 16 min read · It 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 night

Designing AWS VPC Networks: Subnets, Routing, and Security Layers

Apr 25 · 19 min read · When the Network Is the Problem It was 2:14 AM when the on-call alert fired. A deployment had just finished, and suddenly nothing in the application tier could reach the internet. No package updates,

Security Starts with Identity: AWS IAM for Solutions Architects (SAA‑C03 Week 2)

Apr 18 · 23 min read · A few years ago, a startup's engineering team deployed a new feature over the weekend. The EC2 instance running their application had been given the AdministratorAccess managed policy because someone

Week 1: AWS Fundamentals - Global Infrastructure and the Shared Responsibility Model

Apr 11 · 18 min read · Before you touch a single AWS service, two mental models need to be firmly in place. The first is a clear picture of how AWS has structured its physical and logical infrastructure around the world. Th