Building a bilingual blog with Next.js
How this blog ships every post in English and Spanish from plain markdown, with a typed frontmatter contract and zero runtime services.
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// Engineering blog · community
Explore, learn and rate the best.
Honest notes on Python, FastAPI, AWS and AI-first engineering. Search by topic, mark what you have read and discover what the community rates highest.
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RAG in production: lessons from the Chatbook assistant
What worked (and what did not) taking a RAG pipeline to real hotels over WhatsApp, from chunking strategy to answer grounding.
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CI/CD without drama: GitHub Actions + Docker
The minimal pipeline I use to deploy with confidence several times a day, and the few rules that keep it boring.
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Clean architecture in FastAPI without overengineering
Where I draw the layer boundaries in a real FastAPI service, and where I deliberately stop drawing them.
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PostgreSQL query optimization in a fintech backend
A field guide to the queries that actually get slow in lending systems, and the indexes and rewrites that fixed them.
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Practical TDD: when it pays off and when it does not
Test-first is a tool, not a religion. The kinds of code where TDD earns its keep, and the kinds where I write tests after.
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