✍️ Personal notes by Rajesh Singh
Thoughts worth keeping!
Practical notes on DevOps, AI & ML, architecture, data systems, and lessons learned from real engineering work.
✨ Latest Post
AI & ML
Llama 3.1 vs 3.2 - Which Model is Right for You?
The blog breaks down the technical comparison of Llama 3.1 vs 3.2 into bite-sized, relatable stuffs while keeping their multimodal capabilities, model sizes, and use cases.
/ 4 min read
DevOps
Terraform Safety - Keep Resources Safe from Accidental Deletion
Learn how to protect Terraform resources from accidental deletion using lifecycle.prevent_destroy and enable_deletion_protection. A must-read guide for DevOps engineers who value safe and stable infrastructure.
DevOps
Serverless Auth Made Simple - AWS Cognito, Lambda & API Gateway
Learn how to build custom authentication APIs using AWS Cognito, Lambda, and API Gateway — without managing a single backend server. A serverless approach to secure, scalable, and cost-effective centralized auth.
DevOps
Secure Authentication for Python Apps with AWS Cognito
Simple Python web application using Flask and AWS Cognito for authentication. The application supports both Hosted UI and custom login page for user authentication.