Posts

All the articles I've posted.

• Media Library — S3 Presigned Uploads, Magic Byte Validation & CDN

  17 May, 2026

  Build a production-grade media library with S3 presigned upload URLs, Bull-queue post-processing, magic-byte file-type validation, sharp thumbnail generation, and CloudFront CDN delivery — without ever routing file bytes through your API server.

• Predefined color schemes

  Updated: 16 May, 2026

  Some of the well-crafted, updated predefined color schemes for AstroPaper.

• Dual-App Monorepo — Portal API & Platform Interceptor

  16 May, 2026

  Add a second NestJS app (portal-api) for your internal operations team, wire up a RequestPlatformInterceptor that prevents user JWTs from working on the admin portal, and complete the enterprise-todo monorepo as a fullstack replacement scaffold.

• Multi-tenancy & Role-Based Access Control (RBAC)

  15 May, 2026

  By the end of this part, you will learn multi-tenancy, tenantId pattern, TenantGuard, RBAC, Dual-auth architecture, @Authorize and promoting a module to multi-tenant.