# User Service

## Docs

- [API Design](https://docs.esakrissa.com/api-design.md): REST endpoints, request/response schemas, and edge case handling
- [Architecture](https://docs.esakrissa.com/architecture.md): System architecture and component interactions
- [Authentication](https://docs.esakrissa.com/authentication.md): AWS Cognito integration and JWT token flow
- [Data Model](https://docs.esakrissa.com/data-model.md): DynamoDB single-table design for User and Email entities
- [DevOps](https://docs.esakrissa.com/devops.md): Infrastructure as Code, CI/CD, monitoring, and scaling
- [Hard Parts](https://docs.esakrissa.com/hard-parts.md): Technical challenges and their solutions
- [Inter-Service Communication](https://docs.esakrissa.com/inter-service.md): Event-driven architecture with EventBridge
- [Introduction](https://docs.esakrissa.com/introduction.md): Architecture design for a high-scale, Cognito-authenticated User Service

## OpenAPI Specs

- [openapi](https://docs.esakrissa.com/api-reference/openapi.json)