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Elasticsearch, search relevance, TypeScript et architecture de systèmes de recherche.

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Migrating a NestJS Backend from Heroku to Scaleway. Part 1/3: Infrastructure & Foundation

A step-by-step walkthrough of migrating a production NestJS backend from Heroku to Scaleway, covering VPS setup, server hardening, Docker configuration, and PostgreSQL data migration.

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Indexing 1.4 Million Amazon Products into Elasticsearch in Under 90 Seconds — and Beyond

At 1.4 million documents, a single index works fine. At 1 billion+, everything changes.

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