portainer/app/components/footer/footerController.js

angular.module('footer', [])
.controller('FooterController', ['$scope', 'Settings', 'Docker', function($scope, Settings, Docker) {
    $scope.template = 'app/components/footer/statusbar.html';

    $scope.uiVersion = Settings.uiVersion;
    Docker.get({}, function(d) { $scope.apiVersion = d.ApiVersion; });
}]);