private apiUrl = environment.apiBaseUrl === ''

? 'http://localhost:8080/game/jump'
  : environment.apiBaseUrl;

src/app/jump.service.ts

@@ -1,9 +1,13 @@
 import { Injectable } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
+import { environment } from '../enviroments/environment.cluster';
 
 @Injectable({ providedIn: 'root' })
 export class JumpService {
-  private apiUrl = 'http://localhost:8080/game/jump';
+
+  private apiUrl = environment.apiBaseUrl === ''
+  ? 'http://localhost:8080/game/jump'
+  : environment.apiBaseUrl;
 
   constructor(private http: HttpClient) {}