Runtime Platform APIs & Tooling

2 topics in this chapter

1

CLI Flags and Runtime Configuration

How Node.js v24 reads CLI flags, NODE_OPTIONS, env files, JSON config, V8 flags, preload hooks, diagnostics, and process-wide runtime settings.

#nodejs#cli#runtime-configuration#node-options#v8

37 min read

2

Environment Files and Configuration Loading

How Node.js v24 loads .env files, parses DotEnv syntax, merges values into process.env, handles NODE_OPTIONS, and keeps runtime config explainable.

#nodejs#env-files#configuration#dotenv#process-env

34 min read

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