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 |…