working test deploy config

src/app/services/tier.service.ts

@@ -2,15 +2,15 @@ import { Injectable, inject } from '@angular/core';
 import { HttpClient } from '@angular/common/http';
 import { Observable } from 'rxjs';
 
-import { environment } from '../../environments/environment';
 import { Tier } from '../interfaces/tier';
+import { getAppConfig } from './app-config.service';
 
 @Injectable({
   providedIn: 'root',
 })
 export class TierService {
   private http = inject(HttpClient);
-  private baseUrl = `${environment.apiBaseUrl}/api/tiers`;
+  private baseUrl = `${getAppConfig().apiBaseUrl}/api/tiers`;
 
   /** Fetch all tiers ordered by display_order. */
   getTiers(): Observable<Tier[]> {