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---
name: shopify-apps
description: "Expert patterns for Shopify app development including Remix/React Router apps, embedded apps with App Bridge, webhook handling, GraphQL Admin API, Polaris components, billing, and app extensions. U..."
source: rootcastle-rei
risk: unknown
---
# 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 |
## When to Use
This skill is applicable to execute the workflow or actions described in the overview.
---
> 🏰 **Rei Skills** — Curated by [Rootcastle Engineering & Innovation](https://www.rootcastle.com) | Batuhan Ayrıbaş
> Engineering Beyond Boundaries | admin@rootcastle.com
