Learn SUPABASE-EDGE-FUNCTIONS with Real Code Examples

Functions run in Deno isolated environment at Supabase edge nodes

HTTP requests trigger function execution

Functions can query Postgres, access storage, or interact with Auth

Ephemeral stateless execution

Logs accessible via Supabase dashboard

HTTP request -> Supabase edge node

Function executes in Deno isolated environment

Optional database or storage access via Supabase client

Return response to client

Parallel execution across edge nodes for multiple requests

Function-as-a-Service

Edge serverless execution

Event-driven triggers (HTTP, webhooks, DB events)

Stateless execution with persistent data in DB/Storage

Integration with Supabase services for backend operations

Serverless API endpoints for apps

Webhook processors for third-party integrations

Authentication and token validation flows

Realtime notifications using Supabase Realtime

Edge functions integrated with Postgres and Storage

Serverless FaaS at edge locations

Stateless and secure execution

Integrated with Supabase ecosystem (DB, Auth, Storage)

Automatic scaling and low-latency execution

Developer-friendly CLI and deployment workflow

Automatic scaling with incoming requests

Deploy multiple functions for complex workflows

Monitor edge latency and request metrics

Optimize database queries for performance

Use environment variables and secrets efficiently

Adapt traditional server or cloud functions to edge functions

Use Supabase DB/Storage for persistent data

Replace cron jobs with HTTP or database event triggers

Test locally with CLI before deployment

Leverage Supabase logging and monitoring for optimization