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The Config object you lambda into UseFastEndpoints is a thin view over nine process-wide static option singletons - and its properties hide the most useful hooks in the library: endpoint filters, a global configurator, warm-up, serializer swaps and custom value parsers. Part 4 of FastEndpoints — The Missing Chapters.
Of eight JWT keys in the README's flagship example, four bind to nothing, three restate defaults and one has any effect - and the last edit to that README came ten minutes before the commit that invalidated it.
Three components decide independently whether a route needs authentication, only one of them consults auth.enabled - and the combination that turns a public route into a 403.
Two notions of module identity, a silent continue on a missing file - and a live bug the unreachable code was hiding.
A 2018 API gateway promises that routing, auth, validation and messaging need no code at all - this series reads the source that makes the promise true, and the places where it is not.
Two booleans govern Inflow's messaging spine. Taking their product gives four behaviours - one shipped and working, two working differently, and one that throws a NullReferenceException every second forever because the component that would prevent it only exists in another cell.
Trill's appsettings files and package references describe caching, service discovery, health checks, dynamic secret leases and API documentation - and reading the source shows how much of that is never wired up at all.
Convey's real manifest is not Program.cs — it is the config file. Reading the Orders sample's appsettings.json as a single artifact: the section-per-package convention, the fleet of enabled:false switches, and what the defaults quietly tell you about production.
FeedR ships three ways to run its six services - pm2, Project Tye, and a deliberately split pair of docker compose files - plus per-service Dockerfiles and an environment-keyed configuration layer that lets the same build run on localhost and inside a compose network. Part 10 of the FeedR deep dive.
FeedR's API gateway is a YARP reverse proxy whose entire routing table lives in appsettings.json - prefix-stripping routes, per-environment cluster overrides, and a one-line transform that starts every distributed trace. Part 2 of the FeedR deep dive.
How workspace-keyed lookup maps and a single platform-facts JSON file let hundreds of Terraform stacks run identically in dev, staging and prod - and when a forgiving lookup default is the wrong kind of kindness. Part 2 of the Terraform on Azure series.
How ArchiveKit wires itself up - the [Archivable] attribute's three knobs, an assembly scanner that fails fast at startup instead of quietly at delete time, the static registry behind every lookup, and the AddArchiveKit configuration surface. Plus an honest note about the source generator that doesn't exist yet. Part 5 of the Archive-on-Delete with ArchiveKit series.
