Update api

Author: guanquann

frontend/src/utils/api.ts

@@ -1,22 +1,26 @@
 import axios from "axios";
 
 const getUserUrl = () => {
-  return import.meta.env.SOME_ENV_VAR_HERE ?? "http://localhost:3001/api";
+  return import.meta.env.VITE_USER_SERVICE_URL ?? "http://localhost:3001/api";
 };
 
 const getQuestionsUrl = () => {
   return (
-    import.meta.env.SOME_ENV_VAR_HERE ?? "http://localhost:3000/api/questions"
+    import.meta.env.VITE_QN_SERVICE_URL ?? "http://localhost:3000/api/questions"
   );
 };
 
 const getCodeExecutionUrl = () => {
-  return import.meta.env.SOME_ENV_VAR_HERE ?? "http://localhost:3004/api/run";
+  return (
+    import.meta.env.VITE_CODE_EXEC_SERVICE_URL ??
+    "http://localhost:3004/api/run"
+  );
 };
 
 const getQnHistoriesUrl = () => {
   return (
-    import.meta.env.SOME_ENV_VAR_HERE ?? "http://localhost:3006/api/qnhistories"
+    import.meta.env.VITE_QN_HIST_SERVICE_URL ??
+    "http://localhost:3006/api/qnhistories"
   );
 };