Feature Flag Management Service
A feature flag service with flag creation, targeting rules, percentage rollouts, A/B testing, and SDK endpoints. Supports environment segregation, flag dependencies, and analytics with a management...
Target user
Product teams who manage feature rollouts
Problem
Product teams need a feature flag service with targeting rules and percentage rollouts to safely deploy features without coupling to specific feature flag vendors.
Requirements
- Create and manage feature flags
- Targeting rules based on user attributes
- Percentage rollout configuration
- Environment-specific flag states
- SDK endpoint for flag evaluation
Core technologies
TypeScript, Hono, Redis
Completion criteria
A feature flag service with targeting, rollouts, environments, SDK endpoints, and analytics.
Optional extensions
- Add A/B test analytics
- Implement flag dependencies
- Add scheduled activations
- Support multi-tenant
Project phases
Phase 1: Phase 1: Flag Management
Tasks: Set up Hono project, Build flag data model, Implement flag CRUD API, Add environment support
Phase 2: Phase 2: Targeting and Rollout
Tasks: Implement targeting rules engine, Add percentage rollout, Build SDK evaluation endpoint, Create flag caching
Phase 3: Phase 3: Analytics and Dashboard
Tasks: Add flag evaluation analytics, Build management dashboard, Create audit trail, Add SDK documentation