A settings page an operator can actually use
Prefix-based grouping dumps most keys into an alphabetical wall. A catalogue with tabs, help text and a search — plus a test that fails the build when a migration adds an uncatalogued key.
Tagged “config”
3 entries
Keep the config file out of every release you ship
A sample committed, the real one ignored, the release built by exclusion, and a web server rule that refuses to serve either.
A settings table with typed access and one query per request
Everything an operator might want to change belongs in the database, not in code. This is the small layer that makes that painless.