docker files fixes from liaqat

src/Managing.Api/Filters/EnumSchemaFilter.cs

@@ -0,0 +1,20 @@
+using Microsoft.OpenApi.Any;
+using Microsoft.OpenApi.Models;
+using Swashbuckle.AspNetCore.SwaggerGen;
+
+namespace Managing.Api.Filters
+{
+    public class EnumSchemaFilter : ISchemaFilter
+    {
+        public void Apply(OpenApiSchema model, SchemaFilterContext context)
+        {
+            if (context.Type.IsEnum)
+            {
+                model.Enum.Clear();
+                Enum.GetNames(context.Type)
+                    .ToList()
+                    .ForEach(n => model.Enum.Add(new OpenApiString(n)));
+            }
+        }
+    }
+}