fix(server): recover faster when IdSrv isn't reachable

src/docker/Thinktecture.Relay.Server.Docker/Startup.cs

@@ -30,6 +30,11 @@ public void ConfigureServices(IServiceCollection services)
 				options.Authority = authorityUri.AbsoluteUri;
 				options.Audience = Constants.AuthenticationAudience;
 				options.RequireHttpsMetadata = authorityUri.Scheme == "https";
+
+				// This is a demo environment, we should try to recover fast if we can't access our Identity Provider
+				// when fetching its OpenId configuration. Otherwise we would stay in failed state in the MS JwtBearer
+				// ConfigurationManager until its default refresh interval of 5 minutes passed.
+				options.RefreshInterval = TimeSpan.FromSeconds(15);
 			});
 
 		services.AddRelayServerDbContext(Configuration.GetConnectionString("PostgreSql")