How to use the conf.apiURL function in conf

// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an 'AS IS' BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.

'use strict';

var conf = require('conf');

require('app')

.constant('apiURLS', {
  JOBS: conf.apiURL + '/api/v1/jobs/',
  REMOTECIS: conf.apiURL + '/api/v1/remotecis/',
  JOBSTATES: conf.apiURL + '/api/v1/jobstates/',
  FILES: conf.apiURL + '/api/v1/files/'
})
.factory('api', ['_', '$q', '$http', 'apiURLS', function(_, $q, $http, urls) {

  function getJobs(page) {
    var offset = 20 * (page - 1);
    var config = {'params': {
        'limit': 20, 'offset': offset,
        'embed': 'remoteci,jobdefinition,jobdefinition.test'
    }};
    return $http.get(urls.JOBS, config).then(_.property('data'));
  }

  function getJobStates(job) {
    var url = urls.JOBS + job + '/jobstates';
    return $http.get(url).then(_.property('data.jobstates'));

// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an 'AS IS' BASIS, WITHOUT
// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
// License for the specific language governing permissions and limitations
// under the License.

'use strict';

var conf = require('conf');

require('app')

.constant('apiURLS', {
  JOBS: conf.apiURL + '/api/v1/jobs/',
  REMOTECIS: conf.apiURL + '/api/v1/remotecis/',
  JOBSTATES: conf.apiURL + '/api/v1/jobstates/',
  FILES: conf.apiURL + '/api/v1/files/'
})
.factory('api', ['_', '$q', '$http', 'apiURLS', function(_, $q, $http, urls) {

  function getJobs(page) {
    var offset = 20 * (page - 1);
    var config = {'params': {
        'limit': 20, 'offset': offset,
        'embed': 'remoteci,jobdefinition,jobdefinition.test'
    }};
    return $http.get(urls.JOBS, config).then(_.property('data'));
  }

  function getJobStates(job) {