AutoConfigAuthenticationFunc auto-selects between a HandlerFunc wrapper that does authentication and a HandlerFunc wrapper that does not.

NewHttpServer is a factory method that returns an initialized HttpServer receiver struct.

NewStartMessage is a factory method that returns an initialized StartMessage receiver struct.

NilAuthenticationHandlerFunc just invokes a nested handler.

RequestLimitMiddleware is a middleware function that limits the request body size to Service.MaxRequestSize in kilobytes.

VaultAuthenticationHandlerFunc prefixes an existing HandlerFunc with a Vault-based JWT authentication check.

HttpServer contains references to dependencies required by the http server implementation.

StartMessage contains references to dependencies required by the start message handler.