© 2026 Hashnode
You built a blazing-fast FastAPI service locally.Tests pass. Swagger looks clean. Latency is beautiful. Then you deploy it. And suddenly the real problems begin. Workers crash without warning.Connections exhaust.Latency spikes even though CPU looks i...

You deploy your FastAPI app. Docker builds successfully.Health checks pass.Traffic starts flowing. Then comes the question every backend engineer eventually asks: “How many workers should I run?” Pick a number too low, and your server sits idle whi...

Every developer knows the feeling: your application works perfectly on localhost, but deployment is where the real boss battle begins. I recently went through this journey while shipping the backend for my new portfolio project, a journey that starte...

🟢 1. What is Flask? Why Was It Created, and What Problem Does It Solve? What is Flask? Flask is a lightweight, flexible, and easy-to-use web framework written in Python. It allows developers to build web applications quickly with minimal setup and e...

In this comprehensive guide, we'll walk through the process of deploying a Django application that uses WebSockets. We'll set up a production-ready environment using Uvicorn as the ASGI server, Nginx as a reverse proxy, and PostgreSQL as the database...

Introduction Django is a robust web framework designed to help you rapidly build Python applications or websites. While Django provides a simplified local development server, you’ll need a more secure and scalable server setup for production environm...
