Add default hostname value for embedded RavenDB

Author: Dharmishtha Patel

src/ServiceControl.Audit.Persistence.RavenDB/RavenPersistenceConfiguration.cs

@@ -1,6 +1,7 @@
 namespace ServiceControl.Audit.Persistence.RavenDB
 {
     using System;
+    using System.Configuration;
     using System.Collections.Generic;
     using System.IO;
     using System.Reflection;
@@ -100,20 +101,13 @@ internal static DatabaseConfiguration GetDatabaseConfiguration(PersistenceSettin
                     throw new InvalidOperationException($"{DatabaseMaintenancePortKey} must be an integer.");
                 }
 
-                // Determine host for embedded RavenDB from persister-specific settings
-                string host = "localhost";
 
-                if (settings.PersisterSpecificSettings.TryGetValue("ServiceControl.Audit/HostName", out var configuredHost) ||
-                    settings.PersisterSpecificSettings.TryGetValue("ServiceControl/HostName", out configuredHost))
+                string host = "localhost";
+                if (!string.IsNullOrEmpty(settings.Hostname))
                 {
-                    configuredHost = configuredHost?.Trim();
-                    if (!string.IsNullOrWhiteSpace(configuredHost))
-                    {
-                        // Map '*' to '+' for Raven wildcard (bind all interfaces). Accept '+' as-is.
-                        host = configuredHost == "*" ? "+" : configuredHost;
-                    }
+                    // Map '*' to '+' for Raven wildcard (bind all interfaces). Accept '+' as-is.
+                    host = settings.Hostname == "*" ? "+" : settings.Hostname;
                 }
-
                 var serverUrl = $"http://{host}:{databaseMaintenancePort}";
 
                 var logPath = GetLogPath(settings);