https://fazleyrabbi.xyz/notes/ Writing by Md. Fazley Rabbi on Laravel, backend systems, and infrastructure. en https://fazleyrabbi.xyz/notes/the-developers-dilemma-in-the-age-of-ai/ https://fazleyrabbi.xyz/notes/the-developers-dilemma-in-the-age-of-ai/ Sat, 25 Jul 2026 00:00:00 GMT For years, software engineering followed a fairly predictable path: learn a programming language, build projects, get a job, gain experience, and eventually... https://fazleyrabbi.xyz/notes/building-a-custom-authorization-system-beyond-laravel-gates/ https://fazleyrabbi.xyz/notes/building-a-custom-authorization-system-beyond-laravel-gates/ Tue, 21 Jul 2026 15:52:28 GMT The Problem with Laravel Gates Laravel Gates are a fantastic way to manage authorization in your application, but they can become cumbersome and inflexible... https://fazleyrabbi.xyz/notes/running-a-production-grade-homelab-on-bare-metal/ https://fazleyrabbi.xyz/notes/running-a-production-grade-homelab-on-bare-metal/ Tue, 21 Jul 2026 00:00:00 GMT "How I run multiple production apps, manage infrastructure remotely, and deploy AI agents all on a single Ubuntu server with zero monthly cost for AI models." https://fazleyrabbi.xyz/notes/scaling-websockets-to-100k-concurrent-connections/ https://fazleyrabbi.xyz/notes/scaling-websockets-to-100k-concurrent-connections/ Tue, 23 Jun 2026 09:03:38 GMT The Problem with Scaling WebSockets When building real time applications, WebSockets provide a powerful way to establish bidirectional communication between... https://fazleyrabbi.xyz/notes/api-rate-limiting-strategies-in-laravel-for-production/ https://fazleyrabbi.xyz/notes/api-rate-limiting-strategies-in-laravel-for-production/ Tue, 09 Jun 2026 09:00:26 GMT The Problem with API Rate Limiting When it comes to deploying our applications to production, one of the most critical aspects we often overlook is API rate... https://fazleyrabbi.xyz/notes/ai-can-ship-features-faster-but-it-wont-build-your-career-for-you/ https://fazleyrabbi.xyz/notes/ai-can-ship-features-faster-but-it-wont-build-your-career-for-you/ Sun, 07 Jun 2026 00:00:00 GMT sss.png https://pwqzjazzlysvilumztww.supabase.co/storage/v1/object/public/blog images/1780811784361 sss.png I recently watched a video by Hussein Nasser... https://fazleyrabbi.xyz/notes/ai-%E0%A6%A6%E0%A6%BF%E0%A7%9F%E0%A7%87-%E0%A6%A6%E0%A7%8D%E0%A6%B0%E0%A7%81%E0%A6%A4-%E0%A6%B8%E0%A6%AB%E0%A6%9F%E0%A6%93%E0%A7%9F%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B0-%E0%A6%AC%E0%A6%BE%E0%A6%A8%E0%A6%BE%E0%A6%A8%E0%A7%8B-%E0%A6%AF%E0%A6%BE%E0%A7%9F-%E0%A6%95%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A4%E0%A7%81-%E0%A6%95%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B0%E0%A6%BF%E0%A7%9F%E0%A6%BE%E0%A6%B0-%E0%A6%97%E0%A7%9C%E0%A6%BE-%E0%A6%AF%E0%A6%BE%E0%A7%9F-%E0%A6%A8%E0%A6%BE/ https://fazleyrabbi.xyz/notes/ai-%E0%A6%A6%E0%A6%BF%E0%A7%9F%E0%A7%87-%E0%A6%A6%E0%A7%8D%E0%A6%B0%E0%A7%81%E0%A6%A4-%E0%A6%B8%E0%A6%AB%E0%A6%9F%E0%A6%93%E0%A7%9F%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B0-%E0%A6%AC%E0%A6%BE%E0%A6%A8%E0%A6%BE%E0%A6%A8%E0%A7%8B-%E0%A6%AF%E0%A6%BE%E0%A7%9F-%E0%A6%95%E0%A6%BF%E0%A6%A8%E0%A7%8D%E0%A6%A4%E0%A7%81-%E0%A6%95%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B0%E0%A6%BF%E0%A7%9F%E0%A6%BE%E0%A6%B0-%E0%A6%97%E0%A7%9C%E0%A6%BE-%E0%A6%AF%E0%A6%BE%E0%A7%9F-%E0%A6%A8%E0%A6%BE/ Sun, 07 Jun 2026 00:00:00 GMT সম্প্রতি আমি সফটওয়্যার ইঞ্জিনিয়ার এবং কনটেন্ট ক্রিয়েটর Hussein Nasser এর একটি ভিডিও দেখছিলাম। ভিডিওটিতে তিনি AI এবং সফটওয়্যার ইঞ্জিনিয়ারিং নিয়ে তার... https://fazleyrabbi.xyz/notes/implementing-idempotency-in-payment-webhooks-using-redis/ https://fazleyrabbi.xyz/notes/implementing-idempotency-in-payment-webhooks-using-redis/ Sat, 06 Jun 2026 10:01:54 GMT The Problem with Payment Webhooks When dealing with payment webhooks, ensuring that each webhook is processed exactly once is crucial. Duplicate processing... https://fazleyrabbi.xyz/notes/zero-downtime-deployments-with-laravel-envoy-and-cicd/ https://fazleyrabbi.xyz/notes/zero-downtime-deployments-with-laravel-envoy-and-cicd/ Sat, 06 Jun 2026 10:01:53 GMT The Problem with Zero Downtime Deployments Let's face it, deployments can be a nightmare, especially when they cause downtime. In a production environment,... https://fazleyrabbi.xyz/notes/effective-background-job-processing-at-scale/ https://fazleyrabbi.xyz/notes/effective-background-job-processing-at-scale/ Sat, 06 Jun 2026 10:01:48 GMT The Problem with Background Job Processing When it comes to handling background jobs in production, things can quickly go from manageable to catastrophic if... https://fazleyrabbi.xyz/notes/ai-coding-isnt-the-problem-expectations-have-changed/ https://fazleyrabbi.xyz/notes/ai-coding-isnt-the-problem-expectations-have-changed/ Thu, 04 Jun 2026 00:00:00 GMT blog.png https://pwqzjazzlysvilumztww.supabase.co/storage/v1/object/public/blog images/1780547455436 blog.png The Wrong Debate Every week I see another... https://fazleyrabbi.xyz/notes/building-a-robust-event-driven-architecture-in-laravel/ https://fazleyrabbi.xyz/notes/building-a-robust-event-driven-architecture-in-laravel/ Wed, 27 May 2026 18:06:14 GMT The Problem with Event Driven Architecture in Laravel When building complex applications, it's easy to get caught up in tight coupling between systems. This... https://fazleyrabbi.xyz/notes/%E0%A6%B8%E0%A6%AB%E0%A6%9F%E0%A6%93%E0%A6%AF%E0%A6%BC%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B0-%E0%A6%87%E0%A6%9E%E0%A7%8D%E0%A6%9C%E0%A6%BF%E0%A6%A8%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B0%E0%A6%BF%E0%A6%82%E0%A6%AF%E0%A6%BC%E0%A7%87%E0%A6%B0-%E0%A6%AD%E0%A6%BF%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BF-%E0%A6%AC%E0%A6%A6%E0%A6%B2%E0%A7%87-%E0%A6%AF%E0%A6%BE%E0%A6%9A%E0%A7%8D%E0%A6%9B%E0%A7%87/ https://fazleyrabbi.xyz/notes/%E0%A6%B8%E0%A6%AB%E0%A6%9F%E0%A6%93%E0%A6%AF%E0%A6%BC%E0%A7%8D%E0%A6%AF%E0%A6%BE%E0%A6%B0-%E0%A6%87%E0%A6%9E%E0%A7%8D%E0%A6%9C%E0%A6%BF%E0%A6%A8%E0%A6%BF%E0%A6%AF%E0%A6%BC%E0%A6%BE%E0%A6%B0%E0%A6%BF%E0%A6%82%E0%A6%AF%E0%A6%BC%E0%A7%87%E0%A6%B0-%E0%A6%AD%E0%A6%BF%E0%A6%A4%E0%A7%8D%E0%A6%A4%E0%A6%BF-%E0%A6%AC%E0%A6%A6%E0%A6%B2%E0%A7%87-%E0%A6%AF%E0%A6%BE%E0%A6%9A%E0%A7%8D%E0%A6%9B%E0%A7%87/ Sun, 24 May 2026 00:00:00 GMT Image 4 https://pwqzjazzlysvilumztww.supabase.co/storage/v1/object/public/blog images/1779568317511 Image 4.png ইন্ডাস্ট্রি মানুষের চেয়ে দ্রুত বদলে যাচ্ছে... https://fazleyrabbi.xyz/notes/the-ground-beneath-software-engineering-is-moving/ https://fazleyrabbi.xyz/notes/the-ground-beneath-software-engineering-is-moving/ Sat, 23 May 2026 00:00:00 GMT Image 4 https://pwqzjazzlysvilumztww.supabase.co/storage/v1/object/public/blog images/1779568317511 Image 4.png The Timing Feels Cruel Maybe one of the... https://fazleyrabbi.xyz/notes/building-domain-driven-design-in-laravel/ https://fazleyrabbi.xyz/notes/building-domain-driven-design-in-laravel/ Sun, 17 May 2026 09:02:17 GMT The Problem with Domain Driven Design in Laravel If you've worked on a large scale Laravel application, you've likely encountered the issue of a bloated... https://fazleyrabbi.xyz/notes/laravel-octane-and-swoole-for-high-performance/ https://fazleyrabbi.xyz/notes/laravel-octane-and-swoole-for-high-performance/ Fri, 15 May 2026 09:30:07 GMT The Problem with Server Performance Let's face it, a slow server can be a major headache in production. When your application is under heavy load, the last... https://fazleyrabbi.xyz/notes/securing-laravel-applications-against-common-attacks/ https://fazleyrabbi.xyz/notes/securing-laravel-applications-against-common-attacks/ Wed, 13 May 2026 09:13:19 GMT The Problem with Securing Laravel Applications When building Laravel applications, security is a top priority. The moment your application goes live, it... https://fazleyrabbi.xyz/notes/laravel-broadcasting-and-real-time-features/ https://fazleyrabbi.xyz/notes/laravel-broadcasting-and-real-time-features/ Wed, 13 May 2026 04:23:41 GMT The Problem with Laravel Broadcasting and Real Time Features When building scalable and dynamic web applications, one of the biggest challenges is handling... https://fazleyrabbi.xyz/notes/laravel-testing-strategies-for-production/ https://fazleyrabbi.xyz/notes/laravel-testing-strategies-for-production/ Thu, 07 May 2026 09:04:19 GMT The Problem with Laravel Testing When it comes to deploying Laravel applications to production, ensuring that the code is thoroughly tested is crucial. The... https://fazleyrabbi.xyz/notes/simple-mysql-to-clickhouse-sync-for-reporting/ https://fazleyrabbi.xyz/notes/simple-mysql-to-clickhouse-sync-for-reporting/ Wed, 06 May 2026 00:00:00 GMT Image.png https://pwqzjazzlysvilumztww.supabase.co/storage/v1/object/public/blog images/1778091001491 Image.png Simple MySQL → ClickHouse Sync for Reporting... https://fazleyrabbi.xyz/notes/building-multi-tenant-saas-with-laravel/ https://fazleyrabbi.xyz/notes/building-multi-tenant-saas-with-laravel/ Tue, 05 May 2026 09:00:19 GMT The Problem with Building Multi Tenant SaaS When building a Software as a Service SaaS application, one of the biggest challenges is providing a secure and... https://fazleyrabbi.xyz/notes/advanced-laravel-queues-and-job-batching/ https://fazleyrabbi.xyz/notes/advanced-laravel-queues-and-job-batching/ Mon, 04 May 2026 05:21:01 GMT The Problem with Laravel Queues When dealing with large volumes of jobs in a Laravel application, the queue system can become a bottleneck. Database job... https://fazleyrabbi.xyz/notes/hardening-laravel-webhook-consumers-against-distributed-denial-of-service/ https://fazleyrabbi.xyz/notes/hardening-laravel-webhook-consumers-against-distributed-denial-of-service/ Mon, 04 May 2026 00:00:00 GMT Introduction As a seasoned backend engineer, I've encountered numerous challenges in designing scalable and secure webhook consumers. One of the most... https://fazleyrabbi.xyz/notes/architecting-multi-tenant-saas-database-per-tenant-vs-single-db-isolation/ https://fazleyrabbi.xyz/notes/architecting-multi-tenant-saas-database-per-tenant-vs-single-db-isolation/ Sat, 18 Apr 2026 20:13:00 GMT Introduction to Multi Tenant SaaS Architecture As a senior backend engineer, I've encountered numerous scaling challenges while designing multi tenant SaaS... https://fazleyrabbi.xyz/notes/zero-downtime-database-migrations-for-large-datasets-in-laravel/ https://fazleyrabbi.xyz/notes/zero-downtime-database-migrations-for-large-datasets-in-laravel/ Thu, 16 Apr 2026 20:08:48 GMT Introduction As a seasoned backend engineer, I've encountered numerous challenges when dealing with large scale database migrations. One of the most... https://fazleyrabbi.xyz/notes/building-a-real-time-rss-intelligence-pipeline-with-nestjs-and-ai/ https://fazleyrabbi.xyz/notes/building-a-real-time-rss-intelligence-pipeline-with-nestjs-and-ai/ Wed, 15 Apr 2026 00:00:00 GMT A complete engineering deep dive into building a highly concurrent RSS ingestion engine, a deterministic scoring algorithm, and a multi-tier AI fallback pipeline using NestJS. https://fazleyrabbi.xyz/notes/create-new-file-finder-toolbar-macos/ https://fazleyrabbi.xyz/notes/create-new-file-finder-toolbar-macos/ Thu, 09 Apr 2026 06:00:00 GMT “How to build a custom Finder toolbar button on macOS that lets you create new files with developer-friendly templates — no Terminal or editor needed.” https://fazleyrabbi.xyz/notes/solving-the-read-after-write-consistency-problem-in-laravel-with-replicas/ https://fazleyrabbi.xyz/notes/solving-the-read-after-write-consistency-problem-in-laravel-with-replicas/ Mon, 06 Apr 2026 00:00:00 GMT Solving the Read After Write Consistency Problem in Laravel with Replicas Introduction As a senior backend engineer, I've encountered my fair share of... https://fazleyrabbi.xyz/notes/handling-large-file-uploads-in-laravel-with-chunked-uploads/ https://fazleyrabbi.xyz/notes/handling-large-file-uploads-in-laravel-with-chunked-uploads/ Sat, 04 Apr 2026 10:03:31 GMT The Memory Exhaustion Nightmare When your web application requires users to upload massive files e.g., raw 4K video footage or gigabyte sized CSVs ,... https://fazleyrabbi.xyz/notes/designing-a-scalable-search-system-in-laravel-applications/ https://fazleyrabbi.xyz/notes/designing-a-scalable-search-system-in-laravel-applications/ Fri, 03 Apr 2026 11:26:25 GMT Designing a Scalable Search System in Laravel Applications Introduction As a backend engineer working with Laravel in production, I've encountered my fair... https://fazleyrabbi.xyz/notes/building-a-dynamic-feature-flag-system-in-laravel/ https://fazleyrabbi.xyz/notes/building-a-dynamic-feature-flag-system-in-laravel/ Fri, 03 Apr 2026 11:25:18 GMT Introduction As a backend engineer working with Laravel in production, I've encountered my fair share of challenges. One of the most significant problems we... https://fazleyrabbi.xyz/notes/preventing-duplicate-payments-and-transactions-in-laravel/ https://fazleyrabbi.xyz/notes/preventing-duplicate-payments-and-transactions-in-laravel/ Fri, 03 Apr 2026 11:24:25 GMT The Nightmare of Double Charges In e commerce, few things ruin customer trust faster than charging their credit card twice for a single click. As... https://fazleyrabbi.xyz/notes/designing-a-scalable-notification-system-in-laravel/ https://fazleyrabbi.xyz/notes/designing-a-scalable-notification-system-in-laravel/ Fri, 03 Apr 2026 00:00:00 GMT Designing a Scalable Notification System in Laravel As a backend engineer working with Laravel in production, I've encountered my fair share of challenges... https://fazleyrabbi.xyz/notes/taming-concurrency-handling-race-conditions-in-laravel/ https://fazleyrabbi.xyz/notes/taming-concurrency-handling-race-conditions-in-laravel/ Tue, 31 Mar 2026 04:00:00 GMT The Invisible Danger of Concurrent Requests In standard web development, we construct features linearly: check if X exists, subtract Y, save X. But when you... https://fazleyrabbi.xyz/notes/best-free-ai-models-for-coding-developers-2026/ https://fazleyrabbi.xyz/notes/best-free-ai-models-for-coding-developers-2026/ Tue, 31 Mar 2026 00:00:00 GMT B Tier — Good but Inconsistent These models can work, but output quality varies. You'll need to verify results more often. | Model | Strength | Weakness | |... https://fazleyrabbi.xyz/notes/building-a-reliable-webhook-system-in-laravel-for-/ https://fazleyrabbi.xyz/notes/building-a-reliable-webhook-system-in-laravel-for-/ Mon, 30 Mar 2026 12:00:00 GMT The Problem with Naive Webhook Handling When integrating with third party services like Stripe, GitHub, or Twilio, your application relies on webhooks to... https://fazleyrabbi.xyz/notes/running-laravel-in-production-with-docker-lessons/ https://fazleyrabbi.xyz/notes/running-laravel-in-production-with-docker-lessons/ Mon, 30 Mar 2026 08:00:00 GMT The Reality of Dockerizing PHP Running Laravel on local using Docker via Laravel Sail or custom containers is a beautifully smooth experience. 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