post.js

var req = {
            method: 'POST',
            url: 'http://104.243.42.114:3000/auth/register',
            data: {
                email: 'test@google.com',
                password: 'somePassword'
            },
        }
        $http.post('http://104.243.42.114:3000/auth/register', req.data)
            .success(function (data, status, headers, config) {
                console.log('success');
            })
            .error(function (data, status, headers, config) {
                console.log('failed');
                console.error(data);
            });