try

src/HeartTrackAPI/Utils/AppBootstrap.cs

@@ -189,8 +189,8 @@ public class AppBootstrap(IConfiguration configuration)
             {
                 options.PreSerializeFilters.Add((swagger, httpReq) =>
                 {
-                    if (httpReq.Headers.ContainsKey("X-Forwarded-Host"))
-                    {
+                    //if (httpReq.Headers.ContainsKey("X-Forwarded-Host"))
+                   // {
                         //The httpReq.PathBase and httpReq.Headers["X-Forwarded-Prefix"] is what we need to get the base path.
                         //For some reason, they returning as null/blank. Perhaps this has something to do with how the proxy is configured which we don't have control.
                         //For the time being, the base path is manually set here that corresponds to the APIM API Url Prefix.
@@ -198,15 +198,11 @@ public class AppBootstrap(IConfiguration configuration)
 
                         var basePath = "containers/HeartDev-api";
                         var serverUrl = $"{httpReq.Scheme}://{httpReq.Headers["X-Forwarded-Host"]}/{basePath}";
-                        swagger.Servers = new List<OpenApiServer> { new OpenApiServer { Url = serverUrl } };
-                    }
+                        swagger.Servers = new List<OpenApiServer> { new()  { Url = serverUrl }, new() { Url = $"{httpReq.Scheme}://{httpReq.Host.Value}" },new() { Url = $"{httpReq.Scheme}://{httpReq.Host.Value}/{basePath}" } };
+                    //}
                 });
             });
-            app.UseSwaggerUI(options =>
-                {
-                    options.RoutePrefix = string.Empty;
-                    options.SwaggerEndpoint("swagger/v1/swagger.json", "My Api (v1)");
-                });
+            app.UseSwaggerUI();
             app.MapSwagger();
 /*            app.UseSwaggerUI(options =>
             {