[api/]
├── constants // Constant settings used throughout code base.
├── controllers // API route definitions and request handling logic.
├── core // Core application orchestration, model integrations, and tools.
├── docker // Docker & containerization related configurations.
├── events // Event handling and processing
├── extensions // Extensions with 3rd party frameworks/platforms.
├── fields //field definitions for serialization/marshalling.
├── libs // Reusable libraries and helpers.
├── migrations // Scripts for database migration.
├── models // Database models & schema definitions.
├── services // Specifies business logic.
├── storage // Private key storage.
├── tasks // Handling of async tasks and background jobs.
└── tests
