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Building an Asynchronous REST API with FastAPI and Async SQLAlchemy 2.0: Connection Pool Optimization & Alembic Migrations

By IT From Zero October 4, 2026

A practical guide to building asynchronous REST APIs with FastAPI and Async SQLAlchemy 2.0. Learn connection pool optimization, Alembic migrations, and high-concurrency production practices.

Python

Goodbye print(): Professional Python Monitoring and Debugging with Pydantic Logfire

By IT From Zero September 29, 2026

Stop letting debugging become a nightmare. Discover how Pydantic Logfire helps you see into every corner of your Python application with structured data and an intuitive dashboard.

Docker

Dockerizing FastAPI: From ‘Works on My Machine’ to Production-Ready (With Alembic & Multi-stage Builds)

By IT From Zero August 31, 2026

Dockerize FastAPI like a pro: Optimize Multi-stage builds to reduce image size by 80%, integrate Alembic for automatic migrations, and configure Gunicorn for production.

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LangServe: The ‘Shortcut’ to Turning LangChain into Production-Ready REST APIs

By IT From Zero August 23, 2026

Learn how to turn LangChain into a professional REST API with LangServe. This guide covers everything from setup to 'hard-earned' lessons for production deployment, optimizing performance and security.

Python

Building High-Performance GraphQL APIs with Python and Strawberry

By IT From Zero August 18, 2026

Build high-performance GraphQL APIs with Python, Strawberry, and FastAPI. A detailed guide on using DataLoader to optimize speed and reduce latency from seconds to milliseconds.

Python

Litestar: A Fresh Alternative to FastAPI for High-Performance REST APIs

By IT From Zero August 11, 2026

Litestar is a modern, high-speed, and more structured Python framework than FastAPI. Discover how to build professional REST APIs with superior performance optimization.

Development

HTMX: Building ‘Super-Fast’ Dynamic Web Apps Without Installing React or Vue

By IT From Zero June 2, 2026

Forget about JavaScript fatigue. This guide helps you use HTMX to create lightning-fast dynamic web apps with Flask and FastAPI through the Hypermedia-driven Development model.

Build Your Own Image Generation API with Stable Diffusion and FastAPI: Mastering AI on Linux Servers

By IT From Zero April 25, 2026

Learn how to build your own text-to-image AI system using Stable Diffusion and FastAPI on a Linux server. This practical guide focuses on cost savings and GPU optimization.

Python

Building ‘Blazing Fast’ APIs with FastAPI and Pydantic: From Zero to Production

By IT From Zero April 1, 2026

Building high-performance Python APIs is easy with FastAPI and Pydantic. This detailed guide covers setup, data validation, and expert async/await optimization.

Integrating ChatGPT API into Web Apps: Real-World Error Handling from Production

By IT From Zero February 28, 2026

Integrating the ChatGPT API into a real web app is more than just a few API calls — you'll hit rate limits, token overflow, and unstable latency the moment you deploy. This post cuts straight to the most common production failures and how to handle them properly from the start.