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🔧 Zappa

Zappa

Serverless Python Web Services

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Overview

Zappa is a tool that makes it incredibly easy to build and deploy server-less, event-driven Python applications (including, but not limited to, WSGI web apps) on AWS Lambda + API Gateway. It handles all the configuration and deployment automatically. This allows you to take existing Python web applications built with frameworks like Flask or Django and deploy them in a serverless environment with minimal code changes.

✨ Key Features

  • Deploys any Python WSGI application
  • Compatible with popular frameworks like Flask and Django
  • Automatic deployment and configuration
  • Rollback capabilities
  • Scheduled function execution
  • CLI-based workflow

🎯 Key Differentiators

  • Focus on deploying existing WSGI applications with minimal changes.
  • Supports a wide range of Python web frameworks.
  • Simplicity for developers already familiar with Flask/Django.

Unique Value: Go serverless with your existing Python web apps in minutes, without rewriting your code.

🎯 Use Cases (3)

Migrating existing Python web applications to a serverless architecture Building new serverless APIs with familiar Python web frameworks Deploying microservices without managing servers

✅ Best For

  • Deploying a Flask REST API on AWS Lambda
  • Running a Django application in a serverless environment
  • Creating a simple webhook handler using a familiar Python framework

💡 Check With Vendor

Verify these considerations match your specific requirements:

  • Non-WSGI or non-Python applications
  • Applications that are not a good fit for the Lambda execution model (e.g., long-running connections)
  • Projects that require fine-grained control over AWS resources

🏆 Alternatives

AWS Chalice Serverless Framework

Unlike Chalice, which is a microframework for new apps, Zappa is designed to deploy existing, larger applications. It's more specialized for this purpose than the more general-purpose Serverless Framework.

💻 Platforms

Desktop (CLI)

🔌 Integrations

AWS Lambda Amazon API Gateway Flask Django Pyramid

💰 Pricing

Contact for pricing
Free Tier Available

Free tier: The tool is free and open-source. You pay for the AWS resources it provisions.

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