local attachment storage & docker image

src/Core/Utilities/CoreHelpers.cs

@@ -268,5 +268,24 @@ namespace Bit.Core.Utilities
         {
             return JsonConvert.DeserializeObject<T>(JsonConvert.SerializeObject(obj));
         }
+
+        public static bool FullFramework()
+        {
+#if NET461
+            return true;
+#else
+            return false;
+#endif
+        }
+
+        public static bool SettingHasValue(string setting)
+        {
+            if(string.IsNullOrWhiteSpace(setting) || setting.Equals("SECRET"))
+            {
+                return false;
+            }
+
+            return true;
+        }
     }
 }