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Laravel and WordPress in production, LLM work that had to pay for itself, and what broke on the way.
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All Laravel 20 PHP 17 AI / LLMs 15 Performance 15 Architecture 12 WordPress 11 Anthropic 8 DevOps 7 RAG 7 pgvector 6 Career 5 PostgreSQL 4 TypeScript 4 Deployment 3 MySQL 3 Open Source 3 Security 3 React 2 Testing 2 WooCommerce 2 Caddy 1 Cloudflare 1 Docker 1 Dokan 1 Gutenberg 1 Pest 1 Redis 1 SQLite 1 Tailwind CSS 1 Vite 1

2026

May 31
· 0 min read

Anthropic Academy — Six Certifications Completed

I completed six Anthropic Academy courses covering the Claude API, Model Context Protocol, subagents, agentic workflows, Claude Code, and AI fluency — each with a verified certificate from Anthropic Education.

AI / LLMs RAG Career Anthropic
May 25
· 0 min read

RAG Without a Framework: A Minimal pgvector Pipeline with Claude

How to build a complete RAG pipeline in Python without LangChain or LlamaIndex — chunking, embedding with text-embedding-3-large, pgvector retrieval, and grounded generation with Claude — with the tradeoffs that matter at production scale.

AI / LLMs RAG pgvector Performance
May 14
· 0 min read

Stop Using Fixed-Size Chunks for Technical Documentation

Why naive fixed-size chunking breaks on code-heavy documentation, and the heading-aware approach with paragraph fallback and overlap that replaced it in this portfolio's RAG pipeline.

PHP AI / LLMs RAG Performance
May 14
· 0 min read

Voyage AI vs OpenAI Embeddings for Technical RAG in PHP

Why I switched from OpenAI text-embedding-3-small to Voyage AI voyage-code-3 for this portfolio's RAG layer — model comparison, the input_type asymmetry Voyage requires, measured retrieval improvement, and the migration path that keeps search live throughout.

Laravel PHP AI / LLMs RAG
Apr 25
· 9 min read

RAG on SQLite: Pure-PHP Cosine Similarity Without pgvector

How I built RAG retrieval against a SQLite database using pure-PHP cosine similarity — when it scales, when it doesn't, and the migration path to pgvector.

Laravel AI / LLMs RAG Performance

2025

Apr 15
· 8 min read

Building a RAG Pipeline in Laravel with pgvector

How I built the AI chat on this site: chunking documents, generating embeddings with Voyage AI, storing them in pgvector, and answering questions with Claude.

Laravel AI / LLMs RAG PostgreSQL

2024

Jan 15
· 9 min read

Semantic Search with pgvector and Laravel Scout

Add meaning-based search to your Laravel app using a custom Scout driver, pgvector HNSW index, and Voyage AI embeddings — with a hybrid keyword fallback.

Laravel AI / LLMs RAG PostgreSQL

About RAG

Everything Al Amin Ahamed has written about RAG — written after shipping rather than before, so what is in here is what the constraint turned out to be and what I got wrong first.