azure-functions
Expert patterns for Azure Functions development including isolated worker model, Durable Functions orchestration, cold start optimization, and production patterns. Covers .NET, Python, and Node.js programming models. Use when: azure function, azure functions, durable functions, azure serverless, fun
Documentation
Azure Functions
Patterns
Isolated Worker Model (.NET)
Modern .NET execution model with process isolation
Node.js v4 Programming Model
Modern code-centric approach for TypeScript/JavaScript
Python v2 Programming Model
Decorator-based approach for Python functions
Anti-Patterns
❌ Blocking Async Calls
❌ New HttpClient Per Request
❌ In-Process Model for New Projects
⚠️ Sharp Edges
| Issue | Severity | Solution |
|---|---|---|
| Issue | high | ## Use async pattern with Durable Functions |
| Issue | high | ## Use IHttpClientFactory (Recommended) |
| Issue | high | ## Always use async/await |
| Issue | medium | ## Configure maximum timeout (Consumption) |
| Issue | high | ## Use isolated worker for new projects |
| Issue | medium | ## Configure Application Insights properly |
| Issue | medium | ## Check extension bundle (most common) |
| Issue | medium | ## Add warmup trigger to initialize your code |
Quick Info
- Source
- antigravity
- Category
- Development & Code Tools
- Repository
- View Repo
- Scraped At
- Jan 26, 2026
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