More Than appsettings.json — A Practical Guide to Configuration Management in Windows Business Apps (Per-Environment Settings, Secrets, and Where to Write) (archived 2026-07-27)

A practical look at configuration management for Windows business apps: layering appsettings.json, choosing between IConfiguration and the IOptions/IOptionsSnapshot/IOptionsMonitor family, per-environment settings, where to put writable settings, handling secrets, changing configuration at runtime, and migrating from app.config. Archived version of https://comcomponent.com/en/blog/dotnet-configuration-management-guide/, as published on 2026-07-27. The live article is maintained and may change after this date. First published 2026-07-04.