https://ashrafulislam.im/blog Notes on problems that took a while to understand. en https://ashrafulislam.im/blog/express-api-setup-every-project-needs https://ashrafulislam.im/blog/express-api-setup-every-project-needs Tue, 18 Aug 2026 00:00:00 GMT A practical Express and TypeScript baseline for configuration validation, security middleware, structured logging, predictable errors, health checks, and graceful shutdown. https://ashrafulislam.im/blog/structure-nodejs-backend-without-the-mess https://ashrafulislam.im/blog/structure-nodejs-backend-without-the-mess Tue, 18 Aug 2026 00:00:00 GMT A practical feature-oriented Node.js architecture with clear boundaries for routes, controllers, services, repositories, validation, infrastructure, and tests. https://ashrafulislam.im/blog/nextjs-cache-mental-model https://ashrafulislam.im/blog/nextjs-cache-mental-model Tue, 18 Aug 2026 00:00:00 GMT A practical Next.js 16 guide to use cache, cacheLife, cacheTag, updateTag, revalidateTag, refresh, and choosing the right consistency model. https://ashrafulislam.im/blog/secure-nextjs-server-actions https://ashrafulislam.im/blog/secure-nextjs-server-actions Tue, 18 Aug 2026 00:00:00 GMT A production-focused guide to securing Next.js Server Actions with validation, authentication, resource authorization, safe errors, and narrow responses. https://ashrafulislam.im/blog/nextjs-sequential-data-fetching https://ashrafulislam.im/blog/nextjs-sequential-data-fetching Tue, 18 Aug 2026 00:00:00 GMT Find and remove hidden Next.js data waterfalls with parallel promises, focused Suspense boundaries, streaming, preloading, and request-scoped memoization.