webpush/example

Web Push Example

A complete example demonstrating the web push library with:

• VAPID keys stored on disk (auto-generated on first run)
• SQLite storage for subscriptions
• Web client for subscribing to notifications
• Automatic push every minute
• Manual push via /ping endpoint

Running

cd example
go run main.go

Then open http://localhost:8080 in your browser.

Features

1. Subscribe: Click "Subscribe to Notifications" to register for push notifications
2. Automatic Pushes: Notifications are sent every minute to all subscribers
3. Manual Pushes: Visit /ping or click "Send Ping" to trigger an immediate push

Files Generated

On first run, the example generates:

• vapid-private.pem - VAPID private key (keep this secret!)
• subscriptions.db - SQLite database for storing subscriptions

Endpoints

• GET / - Web client UI
• GET /sw.js - Service worker for handling push events
• GET /api/vapid-public-key - Returns the VAPID public key
• POST /api/subscribe - Register a new subscription
• POST /api/unsubscribe - Remove a subscription
• GET /ping - Send push to all subscribers (optional ?title= and ?body= query params)