Learn NETLIFY-FUNCTIONS with Real Code Examples
Updated Nov 25, 2025
Performance Notes
Cold starts are minimal due to Lambda integration
Scaling is automatic and managed by Netlify
Execution time is limited by Lambda constraints
Functions are lightweight, suitable for small backends
External service latency can affect performance
Security Notes
Environment variables are injected securely at runtime
HTTPS automatically enforced
Functions isolated per Lambda execution
Secrets should not be committed to repository
Access control via authentication implemented in code
Monitoring Analytics
Netlify dashboard for function logs
Track invocation count and error rates
Use external monitoring via third-party APIs
Netlify Dev for local metrics testing
Integrate with analytics for usage tracking
Code Quality
Keep functions small and modular
Use async/await for async operations
Validate inputs and handle errors
Unit test functions locally
Document API endpoints and usage