Notes

15 Notes

Thoughts on backend engineering, system design, open source, performance, and software architecture.

Production Is Not a Place to Discover Things

Production should be where the system runs, not where we first discover how it behaves.

DevOps

Tip

2 min read

Oct 4, 2026

The API Worked. The Architecture Didn’t.

A practical look at why a working API does not always mean a healthy architecture, covering coupling, synchronous work, database bottlenecks, caching, microservices, failure modes, and the importance of clear boundaries.

Backend

Tip

10 min read

Sep 19, 2026

When Redis Is Not the Solution

Redis is fast and extremely useful, but that doesn't make it the right solution for every backend problem. A practical look at when Redis helps with caching, rate limiting, OTPs, locks, queues, sessions, and temporary data—and when it simply adds unnecessary infrastructure and complexity.

Backend

Tip

9 min read

Sep 19, 2026

Django Transactions: What atomic() Actually Protects

Learn how Django transactions work, what transaction.atomic() actually protects, and how to handle race conditions, row locking, database constraints, nested transactions, and post-commit side effects with select_for_update() and on_commit().

Django

Python

Backend

14 min read

Sep 13, 2026

The Hidden Cost of Django REST Framework Serializers

Learn how Django REST Framework serializers can cause N+1 queries, slow API responses, and unnecessary database work—and how to optimize them with select_related, prefetch_related, annotations, and better serializer design.

Django

Backend

Python

7 min read

Sep 7, 2026

Building a Django Package — Part 4: Publishing django-healthkit to PyPI

In this final part, we prepare django-healthkit for release, build and validate the package, test it on TestPyPI, publish it to PyPI, and create a Git tag and GitHub release.

Packages

Django

OpenSource

Python

8 min read

Aug 26, 2026

Building a Django Package — Part 3: Health Check Manager and Endpoint

In Part 3, we connect the database and cache health checks, build the health check manager, expose a Django health endpoint, measure check latency, and return a structured health status.

Packages

Django

OpenSource

Python

7 min read

Aug 23, 2026

Building a Django Package — Part 2: Database and Cache Health Checks

In this part, we implement the first health checks for django-healthkit, covering database connectivity and Django cache functionality with simple, independent, and testable checks.

Packages

Django

OpenSource

Python

6 min read

Aug 20, 2026

Building a Django Package — Part 1: Setting Up django-healthkit

In this part, we build the initial structure of django-healthkit, configure the package with pyproject.toml, and prepare it for development.

Packages

Django

OpenSource

Python

4 min read

Aug 14, 2026

Building a Secure Webhook Receiver for Server-to-Server Communication

How I built a secure FastAPI webhook receiver using RSA signatures to enable authenticated server-to-server communication, proxy requests, and connect applications across different network environments.

FastApi

OpenSource

Security

Python

7 min read

Aug 11, 2026

Why I Switched to Conventional Git Commit Messages

Why I switched from inconsistent Git commit messages to a Conventional Commits style, with practical examples for cleaner and more maintainable Git history.

Git

Tip

3 min read

Aug 9, 2026

Building django-healthkit

How a simple health endpoint for Bidar turned into django-healthkit, a lightweight Django health-check package.

Packages

Django

Backend

DevOps

2 min read

Aug 9, 2026

Designing a Gold Jewelry E-Commerce Database with Django

Learn how to design a scalable Django database for a gold jewelry e-commerce platform by modeling products, attributes, and purchasable product variants using real-world domain-driven design principles.

Django

Backend

Architecture

5 min read

Aug 4, 2026

How to Fix Common Next.js 16 Build Errors (Proxy, Dynamic Rendering & Revalidation)

Learn how to fix common Next.js 16 build errors, understand Proxy, Dynamic Rendering, and Revalidation, and improve your application's SEO and performance.

Frontend

Next.js

Tip

2 min read

Aug 2, 2026

Why I Built cyber-ui: A Minimal Design System for Developers

How my projects, from backend systems to monitoring tools, led me to create a minimal and personal UI foundation.

Frontend

Packages

3 min read

Jul 31, 2026