How deeply does .NET in Action, Second Edition cover JSON file provider?

Shows the AddJsonFile call, optional-file behavior, and section binding, without detailing provider internals.

JSON file provider

As explained in .NET in Action, Second Edition

A JSON configuration provider is a .NET configuration component that loads settings from a JSON file.

A JSON file provider adds a JSON file as a configuration source. It can supply secrets or other settings, including values mounted into a container. section 13.5

The focused implementation relies on:

A JSON structure matching appsettings.json, allowing settings such as CosmosDbSettings:AuthKey. section 13.5

Mounted secrets file

Mount a host secrets.json file into a separate container settings folder, then register /settings/secrets.json with AddJsonFile. Bind the CosmosDbSettings section to application settings. section 13.5

How .NET in Action, Second Edition covers it

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Also explained in

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ASP.NET Core in Action, 3eA JSON provider is a configuration provider that reads application settings from JSON-formatted files.

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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.

This explainer was generated by Manning's knowledge graph from the text of .NET in Action, Second Edition. The section links point to the parts of the book it draws on.