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Breaking down AWS from the ground up - IAM, EC2, VPC, S3, and beyond. Real concepts, real depth, no fluff.
An EC2 instance here, an S3 bucket with a specific config there, a security group someone tweaked manually six months ago. The console is stateless - it doesn't remember intent, it just shows current
When I started working with production workloads - database dumps, application logs, config files across environments - and realized pretty quickly that throwing files onto a server and hoping for the
Most tutorials have you launching an EC2 instance, assigning it a public IP, and calling it a day. That works for learning. It doesn't work in production.
Every application you've ever built on AWS has an IP address. Your EC2 instance has one. Your load balancer has one. None of those IP addresses are what your users type into a browser - and the gap be
Every request that reaches your application on AWS has passed through at least two security checkpoints you configured - or forgot to configure properly. Security Groups and NACLs are the last line of
Watching traffic get blocked and unblocked in real time is what actually makes Security Groups and NACLs click. This post walks through a practical setup - a custom VPC, an EC2 instance running a Pyth
