2 days ago · Learn how to use the Configuration API to configure .NET applications. Explore various inbuilt configuration providers.

It's common to have different configurations for different environments: Check out our example configuration files:

Dec 16, 2025 · The Secret Manager tool uses the File configuration provider to store user secrets in a JSON file on the local system. Azure Key Vault safely stores app secrets for ASP.NET Core apps.

6 days ago · To deploy a version of your app with the Admin API, you define the configuration details of your version using a JSON formatted file. You can either manually create the configuration file...

JSON is a data format that is common in configuration files like package.json or project.json. We also use it extensively in Visual Studio Code for our configuration files.

Nov 3, 2025 · config.json is a common JSON file used to control app behavior. This guide covers what it is, where it's used, and best practices for structuring and securing configuration data.

Jun 18, 2021 · As your main goal is to bind JSON object into a plain C# object, you can have a look at Options Pattern in ASP .NET Core. The official documentation describes your situation well.

Feb 3, 2025 · To create a Config JSON file, simply open a text editor and create a new file with a .json extension. Then, add the desired configuration data to the file, using the JSON format to define key …

Jul 23, 2025 · Fixing the "Does not appear to have a file named config.json" error involves ensuring the config.json file is correctly named, located in the expected directory, and has the appropriate …

All server options and app settings are stored in one file, config.json. It's possible to manually edit this file to access options that aren't accessible from the user interface.