Config Service
Centralized configuration service used across internal systems for managing application settings and feature flags.
Problem
As the number of internal services grows, managing configuration across environments becomes increasingly complex. Hardcoded values, scattered environment variables, and inconsistent configuration formats lead to deployment errors and operational overhead. A centralized configuration service provides a single source of truth for application settings.
Architecture Overview
The config service provides a unified API for storing and retrieving configuration values across all internal services. It supports environment-specific overrides, ensuring that development, staging, and production environments can share base configurations while maintaining environment-specific customizations.
Technical Decisions
- TypeScript — type safety for configuration schemas prevents misconfiguration errors at compile time
- Centralized management — single service owns all configuration, eliminating scattered environment variables and config files across services
Tech Stack
- Backend: TypeScript, Node.js
Edit feature flags and config values, publish to all environments, and inspect the audit trail.
Config Keys