first release 0.1.1

src/json_settings.cpp

@@ -41,6 +41,12 @@ expected<AppSettings, string> AppSettings::loadAppSettings() {
         return unexpected("'services' array in JSON file is empty");
     }
 
+    if (j.contains("httpPort")) {
+        settings.httpPort = j["httpPort"].get<int>();
+    } else {
+        settings.httpPort = {};
+    }
+    
     return settings;
 }