Dockerized vs Single Process Node.js API: Unexpected Results
performance-testing•Aug 2, 2026

Dockerized vs Single Process Node.js API: Unexpected Results

In this article, we'll explore the performance differences between a single process Node.js API and a Dockerized API with three instances behind Nginx.

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Original source

Key summary

A Node.js CRUD API was built and tested in two different environments: a single process and three Dockerized instances behind Nginx. The results showed unexpected performance differences.

TL;DR

  • Built a Node.js CRUD API
  • Tested in single process and Dockerized environments
  • Three Dockerized instances behind Nginx
  • Unexpected performance differences found
  • Dockerized API outperformed single process API
  • Containerization benefits discussed

This content is automatically summarized using AI. For full context, always refer to the original article.

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