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It's my personal blog and my post about what was my interested in. Not regularly. If you have any questions any discussion, I'm happy you get in touch with me, and try to answer as many as possible!

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Docker Mistakes That Make Your Images Huge and Your Builds Slow

Docker Mistakes That Make Your Images Huge and Your Builds Slow

Blog Summary

You change one line and Docker reinstalls everything. Missing .dockerignore, bad layer order, dev tools in production, root users and latest tags are the usual culprits. Here's the fix, with a multi-stage build.

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Building the Kate Mall Retail Leasing Website: What a Leasing Site Really Needs

23 Oct 2025Category : Blog
Building the Kate Mall Retail Leasing Website: What a Leasing Site Really Needs

Blog Summary

A leasing website looks like a weekend project: a few pages and a form. Behind it are unit listings as data, enquiries that never get lost, SEO, fast image-heavy pages and an admin the team can run alone.

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Processes vs Threads vs Async: How Servers Handle Many Users at Once

Processes vs Threads vs Async: How Servers Handle Many Users at Once

Blog Summary

Why can one slow API call take down a PHP site, while one heavy loop freezes a Node app? Processes, threads and the event loop explained with a restaurant kitchen, plus the failure mode each one has.

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Content Delivery Networks: How a CDN Makes Your Site Faster (and How It Can Bite)

Content Delivery Networks: How a CDN Makes Your Site Faster (and How It Can Bite)

Blog Summary

Your server is in one city and your users are everywhere. A CDN moves copies of your files closer to them. How edge caching works, the Cache-Control headers that drive it, invalidation, images, security, and the mistake that leaks pages.

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Big O Notation for Working Developers: Finding the Loop That Doesn't Scale

Big O Notation for Working Developers: Finding the Loop That Doesn't Scale

Blog Summary

Big O isn't interview trivia. It's the reason code that handles 200 rows times out at 20,000. Here's a practical guide with real examples: hidden nested loops, database indexes, N+1 queries, and when it doesn't matter.

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What Happens Inside a PHP Request: From Apache to Your Laravel Controller

What Happens Inside a PHP Request: From Apache to Your Laravel Controller

Blog Summary

Your controller is the last stop on a surprisingly long trip. Follow one request from Apache through PHP-FPM, Laravel's bootstrap, middleware and the router, and see why PHP rebuilds everything every time and how OPcache saves it.

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01. About Shiroz

Mohammed Shiroz

Hi, I'm Mohammed Shiroz, a software engineer and AI enthusiast from Sri Lanka who turns ideas into intelligent, real-world solutions. With over 9 years of hands-on experience, I currently lead real estate ERP development at Kate Group, a...

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