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Kokoro-TTS Setup and Usage Guide: Building an Offline AI Text-to-Speech System on Linux

By IT From Zero October 25, 2026

A hands-on production guide to deploying Kokoro-TTS offline on Linux: ultra-lightweight 82M model, smooth CPU performance, low API costs, and sub-0.1 RTF.

Python

APScheduler in Python: Production-Ready Background Job Scheduling for Backend

By IT From Zero October 24, 2026

Move beyond crude time.sleep loops to a resilient scheduling architecture with APScheduler in Python. Learn how to configure SQLAlchemy JobStore, handle misfires, and integrate cleanly into FastAPI.

Python

A Guide to Granian in Python: A Rust-Based ASGI Web Server to Replace Uvicorn

By IT From Zero October 19, 2026

A hands-on review and migration guide from Uvicorn to Granian, a Rust-based ASGI web server. Double your throughput and keep RAM under 100MB for FastAPI apps.

Development

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.

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.