Nuxt/docs/content/2.guide/3.directory-structure/16.app.config.md

icon	title	head.title
IconFile	app.config.ts	Nuxt App Config

Nuxt App Config

::StabilityEdge ::

You can easily provide runtime app configuration using app.config.ts file. It can have either of .ts, .js, or .mjs extensions.

export default defineAppConfig({
  foo: 'bar'
})

::alert{type=warning} Do not put any secret values inside app.config file. It is exposed to the user client bundle. ::

::ReadMore{link="/guide/features/app-config"}