Blogs

Full-stack PHP and Nginx container architecture with Docker Compose and FastCGI proxying

Containerizing PHP & Nginx with Docker Compose: FastCGI, Sockets, and Permission Hell

A battle-tested production guide to containerizing PHP-FPM and Nginx with Docker Compose, handling FastCGI buffer tuning, UID 33 permission traps, and MySQL health checks.

IPv4 Subnetting and CIDR bitwise architecture and network mask calculation breakdown

Demystifying IPv4 Subnetting & CIDR: The Bitwise Math Every Software Engineer Should Know

A developer-friendly guide to IPv4 subnetting, CIDR prefix arithmetic, bitwise masking, and why blindly copying /24 blocks ruins cloud VPCs and Docker networks.

Cybersecurity architecture for Django REST Framework with Redis rate limiting and JWT rotation

Hardening Django REST Framework for Production: Redis Throttling, JWT Rotation & OWASP Defense

A practical guide to securing Django REST Framework in production: Redis sliding-window throttling across Gunicorn workers, JWT token rotation, and OWASP headers.

Computer vision OCR pipeline extracting source code from skewed images and compiling in Docker

Building an OCR Code Compiler: Turning Textbook Photos into Executable Code with OpenCV & Docker

How I built a computer vision pipeline that extracts code from skewed textbook photos using 4-point perspective warps, adaptive thresholding, and sandboxed Docker execution.

Academic GPA and CGPA analytics architecture and database schema in Django

Designing an Academic GPA/CGPA Calculation Engine in Django: Architecture, Edge Cases & Math

A battle-tested engineering breakdown of building an academic CGPA calculator in Django, covering floating-point rounding hazards, retake/back-paper replacement logic, and dynamic formsets.