Host a Flask website for FREE with AWS Lambda Free Tier - complete how to guide!
Learn how to deploy a Flask web app on AWS Lambda — completely within the Free Tier!
In this step-by-step tutorial, I’ll show you how to:
Create Lambda layers for Flask and serverless-wsgi
Build and zip your Python 3.12 environment
Deploy your Flask app to Lambda with a function URL
Avoid AWS charges with Free Tier usage estimates
🔧 Tools & Services Used:
AWS Lambda (Python 3.12, ARM64)
Lambda Function URL
Flask + serverless-wsgi
💰 Free Tier Monthly Cost Breakdown:
✅ 1M Lambda invocations free
✅ 400K GB-seconds free
✅ 1 GB outbound transfer free
📁 Full source code + setup guide:
👉 GitHub Repo: https://github.com/vastevenson/flask-...
🖥️ Perfect for personal projects, lightweight APIs, or learning AWS serverless development.
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