old_contents: // API ROOT
  const API_ROOT = "http://127.0.0.1:5004";
  
  // AUTH
  export const AUTH_URL = `${API_ROOT}/auth/`;
  
  // User
  export const USER_URL = `${API_ROOT}/user/`;
  
  // Vehicle
  export const VEHICLE_URL = `${API_ROOT}/vehicle/`;
  export const VEHICLE_TYPE_URL = `${API_ROOT}/vehicle/type/`;
  export const VEHICLE_GROUP_URL = `${API_ROOT}/vehicle/group/`;
  export function generateURL(vehicleType, vehicleGroup) {
    let url = `${API_ROOT}/vehicle/filter?vehicle_type=`+ vehicleType + `&vehicle_group_id=` + vehicleGroup + `&agent_state=ASSIGNED`;
    return url
  }
  
  // Agent
  export const AGENT_URL = `${API_ROOT}/agent/`;
  export const UNASSIGNED_AGENT_URL = `${API_ROOT}/agent/?state=UNASSIGNED`;
  
new_contents: // API ROOT
  let API_ROOT = "https://api.vehicles.neu.edu.tr";
  
  // Development route
  if (process.env.NODE_ENV !== 'production') {
    API_ROOT = "http://127.0.0.1:5004";
  }
  
  // AUTH
  export const AUTH_URL = `${API_ROOT}/auth/`;
  
  // User
  export const USER_URL = `${API_ROOT}/user/`;
  
  // Vehicle
  export const VEHICLE_URL = `${API_ROOT}/vehicle/`;
  export const VEHICLE_TYPE_URL = `${API_ROOT}/vehicle/type/`;
  export const VEHICLE_GROUP_URL = `${API_ROOT}/vehicle/group/`;
  export function generateURL(vehicleType, vehicleGroup) {
    let url = `${API_ROOT}/vehicle/filter?vehicle_type=`+ vehicleType + `&vehicle_group_id=` + vehicleGroup + `&agent_state=ASSIGNED`;
    return url
  }
  
  // Agent
  export const AGENT_URL = `${API_ROOT}/agent/`;
  export const UNASSIGNED_AGENT_URL = `${API_ROOT}/agent/?state=UNASSIGNED`;
  
subject: change api routes with respect to production mode