Directus Backend Architecture

Custom API endpoints in Directus let you build REST routes with input validation using Joi, execute atomic database transactions via Knex, and integrate external services. Define endpoints in your extensions folder, validate payloads, wrap operations in transactions, and return typed responses for reliable, transactional processing.

Hooks are event-driven functions that automatically trigger on create, update, or delete operations across collections. Implement hooks to react to data changes, transform payloads, validate constraints, or trigger downstream actions like sending notifications or updating related records within your TypeScript backend.

Yes. Directus flows enable automated workflows for batch processing, data manipulation, and scheduled tasks. Combine flows with Bull queueing, Winston logging, and custom operations to build reliable automation pipelines that handle asynchronous job execution, error handling, and audit trails.

Scale Directus backends using Redis for distributed caching via ioredis, Bull for job queueing, and Socket.io for real-time bidirectional communication. Implement LRU-cache locally, optimize Knex queries, and use Winston-Elasticsearch for centralized logging to handle increased load.

Organize your Node.js (v18+) Directus backend with modular directory structure separating extensions, hooks, flows, services, and database access layers. Use typed interfaces throughout, leverage Express middleware for cross-cutting concerns, and apply dependency injection to decouple services and improve testability.

Yes. Extend Directus authentication using JWT tokens via jsonwebtoken and bcrypt for password hashing. Implement custom permission logic at the endpoint and hook level to enforce role-based access control, validate tokens, and integrate with external identity providers.