JSON file provider
A JSON file provider is a configuration provider that loads application settings from JSON-formatted files.
ASP.NET Core in Action, 3e
A JSON provider is a configuration provider that reads application settings from JSON-formatted files.
- How it is used
- Loads application settings from JSON files during ASP.NET Core startup and can supply values for runtime configuration.
- How deep it goes
- Explains defaults, optional files, provider ordering, and reload behavior, but defers detailed options binding and secret-management mechanics.
- Examples
- Uses appsettings.json, sharedSettings.json, environment variables, and a reloadable configuration endpoint.
- What you can do after
- Apply it via AddJsonFile to load optional settings, control precedence, and reload configuration when files change.
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.NET in Action, Second Edition
A JSON configuration provider is a .NET configuration component that loads settings from a JSON file.
- How it is used
- Loads JSON settings or secrets into application configuration, including files supplied through Docker-mounted volumes.
- How deep it goes
- Shows the AddJsonFile call, optional-file behavior, and section binding, without detailing provider internals.
- Examples
- Uses secrets.json mounted at /settings/secrets.json and binds the CosmosDbSettings section.
- What you can do after
- Operate/configure an application to read an optional JSON file and bind one of its configuration sections.
Read how .NET in Action, Second Edition explains JSON file provider →
Related concepts
- AddJsonFile()used by · AddJsonFile() is a .NET configuration extension method that adds a JSON file as a configuration source.
- configuration providerkind of · A configuration provider is a pluggable component that resolves configuration values from a designated external source.
- state persistenceuses · State persistence is the retention of data or application state beyond the operation, session, or process in which it was created, so it remains available for later use.
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