Definition: The ${app}.conf file is a configuration file for a web application in Node.js that stores access token settings, including expiration times, key lengths, and other parameters. It's crucial for secure authentication and allows you to control your app's access tokens without any external server access. Definition: The '${app}.conf' file in Node.js is used by the browser to store access token details, which can be used to authenticate users using the same credentials across different endpoints of a web application.
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