App Settings

<h3 id='app-settings'>settings</h3>

The following settings are provided to alter how Express will behave:

• env Environment mode, defaults to process.env.NODE_ENV or "development"
• trust proxy Enables reverse proxy support, disabled by default
• jsonp callback name Changes the default callback name of ?callback=
• json replacer JSON replacer callback, null by default
• json spaces JSON response spaces for formatting, defaults to 2 in development, 0 in production
• case sensitive routing Enable case sensitivity, disabled by default, treating "/Foo" and "/foo" as the same
• strict routing Enable strict routing, by default "/foo" and "/foo/" are treated the same by the router
• view cache Enables view template compilation caching, enabled in production by default
• view engine The default engine extension to use when omitted
• views The view directory path, defaulting to "process.cwd() + '/views'"