FastAPI Tutorial #26 | Environment Variables + .env Setup + python-dotenv

Published: 28 April 2026
on channel: Mohit Decodes

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In this video, you will learn how to manage environment variables in FastAPI using python-dotenv. We will set up a .env file and handle configuration like database URLs, secret keys, and API settings securely.

This is essential for building production-ready and secure applications.

Topics covered in this video:
--What are environment variables
--Why environment variables are important
--Install python-dotenv
--Create .env file
--Store secrets and configs
--Load environment variables in FastAPI
--Access variables in code
--Config management best practices
--Common mistakes beginners make

This video is useful for backend developers, Python developers, and anyone building secure applications.

⚙️ Tech Used and Code:
Python, FastAPI, VS Code, Terminal
👉 GitHub Code Link - https://github.com/mohitdjcet/fastAPI...

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