Python
Build a URL Shortener from Scratch — Part 1: Requirements and Architecture
Part 1 of building a production URL shortener. Define requirements, architecture, and technology choices for a scalable link-shortening service.
How to Structure a Production FastAPI Project
Learn the recommended project structure for production FastAPI applications. Covers routers, services, models, dependency injection, and testing.
How to Dockerize a FastAPI Application with Uvicorn
Containerize a FastAPI application with Docker. Covers multi-stage builds, Uvicorn configuration, environment variables, and health checks.
Fix: pip Install Permission Denied — User Installs and Virtualenv
Fix pip permission denied errors without using sudo. Covers --user installs, virtualenv, and why sudo pip is dangerous on macOS and Linux.
Fix: Python ModuleNotFoundError — Virtual Environments and Imports
Resolve Python ModuleNotFoundError by understanding virtual environments, PYTHONPATH, and dependency installation. Covers venv, pip, and IDE misconfiguration.