Pedro Alonso

Pedro Alonso

Hey, I'm Pedro 👋

Technical Architect & AI Solutions Consultant

I build and scale AI-powered applications. I write in-depth articles about modern web development, RAG systems, and practical developer tooling. I also run ReframeHQ, a Shopify App for product image enhancement.

Explore The Guides →

Featured Articles

Start here: my most popular guides on AI development, Stripe integrations, WebSockets, and PostgreSQL

12 min read
Local AI Assistance with Continue and Ollama for VS Code

Local AI Assistance with Continue and Ollama for VS Code

Learn about Local AI Assistance with Continue and Ollama for VS Code

14 min read
Stripe Checkout and Webhook in a Next.js Application

Stripe Checkout and Webhook in a Next.js Application

Learn about Stripe Checkout and Webhook in a Next.js Application

14 min read
Stripe Subscriptions in a Next.js Application

Stripe Subscriptions in a Next.js Application

Learn about Stripe Subscriptions in a Next.js Application

11 min read
WebSockets with Next.js Part 1: Basics and Setup

WebSockets with Next.js Part 1: Basics and Setup

Learn about WebSockets with Next.js Part 1: Basics and Setup

11 min read
Full-Text Search with PostgreSQL and Prisma

Full-Text Search with PostgreSQL and Prisma

Learn about Full-Text Search with PostgreSQL and Prisma

6 min read
Stripe Webhooks: Solving Race Conditions and Building a Robust Credit Management System

Stripe Webhooks: Solving Race Conditions and Building a Robust Credit Management System

Learn about Stripe Webhooks: Solving Race Conditions and Building a Robust Credit Management System

Browse All Guides →

Series & Guides

In-depth technical guides and tutorial series to help you master modern development

The Agentic Journey

3 Parts

A three-part series exploring the evolution from monolithic prompts to production-ready multi-agent systems with LangChain and LangGraph.

1 From Monolithic Prompts to Intelligent Agents 2 From Hardcoded Workflows to Dynamic Graphs 3 Production-Ready Agentic Systems

PostgreSQL Search

2 Parts

Implement powerful search in PostgreSQL with Next.js and Prisma, from full-text search fundamentals to semantic search with pgvector.

1 Full-Text Search with PostgreSQL and Prisma 2 Advanced Search Techniques with pgvector and Geospatial Search

RAG Systems Deep Dive

3 Parts

A comprehensive four-part guide to building production-ready RAG systems with LangChain, from core concepts to advanced optimizations.

1 Core Concepts and Architecture 2 Practical Implementation with LangChain 3 Advanced Features and Performance Optimization

Stripe Integration

5 Parts

Master Stripe integration in Next.js from basic checkout to subscriptions, webhooks, payment links, and usage-based billing.

1 Stripe Checkout and Webhook in a Next.js Application 2 Stripe Subscriptions in a Next.js Application 3 Solving Race Conditions and Building a Robust Credit Management System 4 Stripe Payment Links and Customer Portal in Next.js 15 5 Implementing Pre-paid Usage Billing with Next.js and Stripe

WebSockets with Next.js

4 Parts

Build real-time applications with Next.js, from Socket.IO basics to native WebSocket implementation with advanced patterns and best practices.

1 Basics and Setup 2 Real-Time Chat 3 Advanced Concepts and Best Practices 4 Going Native - Ditching Socket.IO