Azure Functions Python Cookbook

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Practical recipes for building real-world Azure Functions with Python.

Why Use It

Starting a new Azure Functions project often means piecing together scattered documentation, blog posts, and sample code. This cookbook provides curated, runnable recipes that answer:

• What should I build for this scenario?
• How should the architecture look?
• How do I start from a working baseline?

Scope

• Azure Functions Python v2 programming model
• Decorator-based func.FunctionApp() applications
• Practical recipes with runnable examples
• Architecture explanations and production notes

This repository is content-first. It is not a CLI tool.

Recipes

HTTP

Recipe	Difficulty	Description
Hello HTTP Minimal	Beginner	Smallest possible HTTP trigger
HTTP Routing, Query, and Body	Beginner	Route params, query strings, JSON body, status codes
HTTP Auth Levels	Beginner	Anonymous, Function, and Admin auth levels
GitHub Webhook	Intermediate	HMAC-SHA256 signature verification

Timer

Recipe	Difficulty	Description
Timer Cron Job	Beginner	NCRONTAB expressions, timezone, catch-up

Queue

Recipe	Difficulty	Description
Queue Producer	Beginner	HTTP trigger with Queue output binding
Queue Consumer	Beginner	Queue trigger message processing

Blob

Recipe	Difficulty	Description
Blob Upload Processor	Intermediate	Polling-based blob trigger
Blob Event Grid Trigger	Intermediate	Event Grid-based blob trigger (faster)

Service Bus

Recipe	Difficulty	Description
Service Bus Worker	Intermediate	Service Bus queue trigger

Event Hub

Recipe	Difficulty	Description
Event Hub Consumer	Intermediate	Event Hub stream processing

Cosmos DB

Recipe	Difficulty	Description
Change Feed Processor	Intermediate	Cosmos DB change feed trigger

Patterns

Recipe	Difficulty	Description
Blueprint Modular App	Intermediate	Modular function apps with Blueprints
Retry and Idempotency	Intermediate	Retry policies and idempotency patterns
Output Binding vs SDK	Intermediate	Side-by-side binding vs SDK client comparison
Managed Identity (Storage)	Advanced	Identity-based Storage connection
Managed Identity (Service Bus)	Advanced	Identity-based Service Bus connection
host.json Tuning	Advanced	host.json configuration guide
Concurrency Tuning	Advanced	Dynamic concurrency for Queue/Blob/Service Bus

Durable Functions

Recipe	Difficulty	Description
Hello Sequence	Beginner	Activity chaining pattern
Fan-Out / Fan-In	Intermediate	Parallel activity execution
Human Interaction	Intermediate	External events with timeout
Entity Counter	Intermediate	Durable entity state management
Retry Pattern	Intermediate	Activity retry with RetryOptions
Determinism Gotchas	Advanced	Orchestrator determinism rules
Unit Testing	Intermediate	Mock-based orchestrator testing

AI

Recipe	Difficulty	Description
MCP Server	Advanced	Model Context Protocol server on Azure Functions

Local Development

Recipe	Difficulty	Description
Local Run and Direct Invoke	Beginner	func start vs direct Python invocation

Each recipe lives under recipes/ with a matching runnable project in examples/.

Repository Layout

recipes/           Curated recipe documents (28 recipes)
examples/          Runnable example projects organized by category
  http/            HTTP trigger examples
  timer/           Timer trigger examples
  queue/           Queue trigger examples
  blob/            Blob trigger examples
  servicebus/      Service Bus trigger examples
  eventhub/        Event Hub trigger examples
  cosmosdb/        Cosmos DB trigger examples
  recipes/         Pattern and recipe examples
  durable/         Durable Functions examples
  ai/              AI integration examples
docs/              Published documentation

Development

git clone https://github.com/yeongseon/azure-functions-python-cookbook.git
cd azure-functions-python-cookbook
make install
make check-all
make docs

Documentation

• Product requirements: PRD.md
• Design principles: DESIGN.md
• Contributing guide: CONTRIBUTING.md

Ecosystem

• azure-functions-validation — Request and response validation
• azure-functions-openapi — OpenAPI and Swagger UI
• azure-functions-logging — Structured logging
• azure-functions-doctor — Diagnostic CLI
• azure-functions-scaffold — Project scaffolding

Disclaimer

This project is an independent community project and is not affiliated with, endorsed by, or maintained by Microsoft.

Azure and Azure Functions are trademarks of Microsoft Corporation.

License

MIT