Firestore Patterns
Firebase Firestore patterns covering data modeling, security rules, real-time listeners, denormalization, indexes, and React/Next.js integration for NoSQL databases.
- Difficulty
- intermediate
- Read time
- 1 min read
- Version
- v1.0.0
- Confidence
- established
- Last updated
Quick Reference
Firestore: Denormalize for read performance. Max 3 levels deep for subcollections. Use Collection Group Queries for cross-hierarchy queries. Security rules are NOT filters - query must match rules. Version 2 rules for collection groups. Use onSnapshot for real-time. Unsubscribe in useEffect cleanup. 500/50/5 rule for new collections.
Use When
- Building Firebase applications
- NoSQL data modeling
- Real-time web/mobile apps
- Serverless backends
Skip When
- Relational database requirements
- Complex transactions needed
- Non-Firebase projects
Firestore Patterns
Firebase Firestore patterns covering data modeling, security rules, real-time listeners, denormalization, indexes, and React/Next.js integration for NoSQL databases.