Build secured app on Firebase

Design and implement Firebase Authentication, Firestore queries, Cloud Functions, and security rules

Building a backend for a React/Vue app when you want to skip the server and denormalize data for queries.

• · Firebase config JSON
• · security rule policies
• · Firestore schema design
• · Cloud Function code

• · Deployed app with auth
• · Firestore indexes
• · function handlers
• · rule validation reports

• · Firebase SDK
• · firebase-tools
• · Firestore emulator (optional)

• · Firebase project created
• · billing enabled for production

• · security rules reject valid reads
• · Firestore query not covered by index
• · offline persistence stalls sync
• · Cloud Function timeout

• · MIT licensed
• · covers all Firebase surfaces
• · denormalization-first data modeling
• · security rules testing pattern
• · pricing warning about read costs