Learn SUPABASE-EDGE-FUNCTIONS with Real Code Examples

User authentication and token verification

CRUD APIs for Supabase Postgres

Webhook handler for third-party integrations

Serverless image processing using Supabase storage

Realtime notifications and event broadcasting

Check logs in Supabase dashboard

Verify environment variables are set correctly

Test endpoints locally with `supabase functions serve`

Inspect HTTP requests and responses

Ensure Supabase client is configured with correct URL and keys

Use `supabase functions serve` for local testing

Unit test business logic separately

Simulate HTTP requests via curl or Postman

Verify Supabase client operations

Monitor logs during testing

Deploy via Supabase CLI (`supabase functions deploy`)

Connect to custom routes in Supabase project

Use environment variables for secrets

Deploy multiple functions to same project

Integrate with Realtime or database triggers

Supabase CLI

Supabase dashboard

Supabase client libraries

TypeScript / JavaScript tooling

Third-party monitoring tools

Supabase Postgres database

Supabase Auth for authentication

Supabase Storage for file handling

Realtime for push notifications

Third-party APIs via fetch or HTTP requests

Keep functions lightweight and stateless

Use Supabase Postgres/Storage for persistence

Leverage Supabase CLI for deployment and testing

Monitor edge performance regularly

Combine multiple functions for modular architecture

Understanding edge execution model

Managing state via Supabase DB rather than local memory

Optimizing performance for low latency

Debugging functions in Deno runtime

Integrating multiple Supabase services in a function