In Blog 1, we focused on the fundamentals — what a VPC is, how subnets and route tables work, and how traffic moves inside AWS. The goal was to understand the building blocks rather than make design choices. In Blog 2, we applied those concepts by building a VPC with public
Introduction: Why AWS Networking Matters When I first logged into the AWS console, I felt like I had entered a bustling city without a map. EC2 instances, VPCs, subnets, and gateways sounded like jargon, but over time I realized they are simply streets, intersections, and traffic lights for your data.
Now that your AWS account is ready, let’s put that knowledge into practice. In this tutorial, we’ll build a VPC from scratch — including public and private subnets, a NAT instance, and EC2 instances — in a free-tier friendly way. You’ll follow each step and understand how subnets, route