- Rename user_id → users_id across all models, handlers, services, and tests
- Add custom RoleIDs type supporting string/int/array unmarshaling (e.g., "1", 1, [1])
- Implement flexible JSON unmarshaling for JWT Claims to handle field name variants
- Support both user_id/users_id and email/email_address field names
- Enable role_id as string ("1"), int (1), or array ([1,2])
- Update AuthorizationContext to handle role_id type flexibility
- Add comprehensive logging to repository, service, and handler layers
- Entry/exit logs with full context
- Success (✓) and failure (✗) indicators
- Step-by-step authorization flow tracking
- Add containsRole helper for multi-role membership checks
- Fix database queries: user_id → users_id, id → permissions_id
- Update all tests to use models.RoleIDs{} syntax
- Change GetRole middleware return type: string → []int
- Maintain backward compatibility with legacy JWT tokens
This change improves integration with external services (MIS) that may send
role_id in different formats and standardizes field naming conventions
throughout the authorization microservice.
- Add /health and /ready endpoints for load balancer health checks
- Replace in-memory JWT token cache with Redis for multi-replica support
- Reduce DB connection pool from 100 to 25 connections per replica
- Add distributed rate limiting (100 req/min + 20 burst) using Redis
- Implement circuit breakers for DB and Redis to prevent cascading failures
This enables the service to scale horizontally with multiple replicas
behind a load balancer without exhausting database connections or
maintaining separate token caches per instance.
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