Shopify Apps
Patterns
React Router App Setup
Modern Shopify app template with React Router
Embedded App with App Bridge
Render app embedded in Shopify Admin
Webhook Handling
Secure webhook processing with HMAC verification
Anti-Patterns
❌ REST API for New Apps
❌ Webhook Processing Before Response
❌ Polling Instead of Webhooks
⚠️ Sharp Edges
| Issue | Severity | Solution | |-------|----------|----------| | Issue | high | ## Respond immediately, process asynchronously | | Issue | high | ## Check rate limit headers | | Issue | high | ## Request protected customer data access | | Issue | medium | ## Use TOML only (recommended) | | Issue | medium | ## Handle both URL formats | | Issue | high | ## Use GraphQL for all new code | | Issue | high | ## Use latest App Bridge via script tag | | Issue | high | ## Implement all GDPR handlers |