Service Map

Dependencies

Service	Protocol	Purpose
Auth Service	HTTP/REST	Token validation and user lookup
PostgreSQL	TCP/5432	Primary data store
Redis	TCP/6379	Session cache and rate limiting

Consumers

Consumer	Protocol	What they call
Web Frontend	HTTP/REST	All public API endpoints
Mobile App	HTTP/REST	/api/v2/* endpoints only
Analytics Pipeline	Kafka	Consumes user.events topic