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configuration

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What is YAML? The complete guide to YAML syntax and use casesYAML (YAML Ain't Markup Language) is a human-readable data serialization format used for configuration files, CI/CD pipelines, and cross-language data exchange. This guide explains YAML syntax, key features, common tools, and security pitfalls.How to Use Environment Variables in Node.js: process.env, .env files, and secure secretsEnvironment variables are the standard way to configure a Node.js app without hardcoding values. Node reads them through process.env, you can load them from .env files with the built-in --env-file flag or the dotenv package, and secrets should stay out of your code and version control. This guide walks through each approach and when to use it.

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