Fix server URL in prod

backend/Program.cs

@@ -3,6 +3,7 @@ using backend.Services.Init;
 using Hangfire;
 using Hangfire.Dashboard;
 using Microsoft.AspNetCore.HttpOverrides;
+using Microsoft.OpenApi.Models;
 using Scalar.AspNetCore;
 
 var builder = WebApplication.CreateBuilder(args);
@@ -24,7 +25,22 @@ builder.Services.SetupConfiguration(configuration);
 builder.Services.ConfigureServices(configuration);
 builder.Services.SetupDatabase(configuration);
 builder.Services.AddControllers();
-builder.Services.AddOpenApi();
+builder.Services.AddOpenApi(options =>
+{
+    //in production, override the server URL
+    if (!isDevelopment)
+    {
+        options.AddDocumentTransformer((document, _, _) =>
+        {
+            document.Servers.Clear();
+            document.Servers.Add(new OpenApiServer
+            {
+                Url = "https://fuelwizard.au"
+            });
+            return Task.CompletedTask;
+        });
+    }
+});
 
 var allowedOrigins = Environment.GetEnvironmentVariable("ALLOWED_ORIGINS")?.Split(',') ??
                      configuration.GetSection("AllowedOrigins").Get<string[]>();