Fix errors while building in prod mode

Author: knorrium

backend/tsconfig.build.json

@@ -1,4 +1,8 @@
 {
   "extends": "./tsconfig",
-  "exclude": ["**/*.test.*", "**/__mocks__/*", "**/__tests__/*"]
+  "exclude": ["**/*.test.*", "**/__mocks__/*", "**/__tests__/*"],
+  "compilerOptions": {
+    "types": ["node"]
+  },
+
 }