diff --git a/frontend/src/contexts/AuthContext.tsx b/frontend/src/contexts/AuthContext.tsx
index e253b06..4cc36ea 100644
--- a/frontend/src/contexts/AuthContext.tsx
+++ b/frontend/src/contexts/AuthContext.tsx
@@ -20,7 +20,7 @@ interface AuthContextType {
 }
 
 const AuthContext = createContext<AuthContextType | undefined>(undefined);
-const API_BASE_URL = process.env.REACT_APP_API_BASE_URL || 'http://localhost:3002/api';
+const API_BASE_URL = process.env.REACT_APP_API_BASE_URL || '/api';
 
 interface AuthProviderProps {
   children: ReactNode;
diff --git a/frontend/src/services/authService.ts b/frontend/src/services/authService.ts
index 3345a15..b8937a5 100644
--- a/frontend/src/services/authService.ts
+++ b/frontend/src/services/authService.ts
@@ -1,6 +1,6 @@
 // frontend/src/services/authService.ts
 import { Employee } from '../models/Employee';
-const API_BASE = process.env.REACT_APP_API_BASE_URL || 'http://localhost:3002/api';
+const API_BASE = process.env.REACT_APP_API_BASE_URL || '/api';
 
 export interface LoginRequest {
   email: string;
diff --git a/frontend/src/services/employeeService.ts b/frontend/src/services/employeeService.ts
index 6f0b563..a54e0eb 100644
--- a/frontend/src/services/employeeService.ts
+++ b/frontend/src/services/employeeService.ts
@@ -1,7 +1,7 @@
 // frontend/src/services/employeeService.ts
 import { Employee, CreateEmployeeRequest, UpdateEmployeeRequest, EmployeeAvailability } from '../models/Employee';
 
-const API_BASE_URL = 'http://localhost:3002/api';
+const API_BASE_URL = '/api';
 
 const getAuthHeaders = () => {
   const token = localStorage.getItem('token');
diff --git a/frontend/src/services/shiftAssignmentService.ts b/frontend/src/services/shiftAssignmentService.ts
index 7df5433..e61ab5b 100644
--- a/frontend/src/services/shiftAssignmentService.ts
+++ b/frontend/src/services/shiftAssignmentService.ts
@@ -4,7 +4,7 @@ import { Employee, EmployeeAvailability } from '../models/Employee';
 import { authService } from './authService';
 import { AssignmentResult, ScheduleRequest } from '../models/scheduling';
 
-const API_BASE_URL = 'http://localhost:3002/api';
+const API_BASE_URL = '/api';