How to Create an AWS VPC From Scratch (Step-by-Step): A Guide to Public and Private Subnets
Hello! If you're starting your journey with AWS, you've definitely heard the term "VPC." For many beginners, it can seem like a complex and intimidating topic. But in reality, a VPC (Virtual Private Cloud) is just the secure "foundation" for almost everything you'll ever build on AWS. In this article, I'll walk you through what a VPC is and how to build a secure one from scratch, step-by-step, using the AWS Console. What is a VPC? In the simplest terms, think of a VPC as your very own private, isolated piece of land in the AWS cloud. It's your personal network that no one else can access, and you have complete control over it. Why Do We Need Public and Private Subnets? Okay, so you have your piece of land (the VPC). Now, imagine you put your Application Server and your Database (like a secure safe) right in the middle of this open land. If you build a "main gate" (an Internet Gateway) and leave it open for users to come in, that means...