Post a Tweet with the Twit Node.js module.

twitter_media_upload.js

var Twit = require('twit')

var twitter = new Twit({
  consumer_key: '',
  consumer_secret: '',
  access_token: '',
  access_token_secret: ''
});

var filePath = 'path/to/video/file'

twitter.postMediaChunked({ file_path: filePath }, function (err, data, response) {
  
  console.log(data);

  var params = {
    status: 'Post from node.js script.',
    media_ids: [data.media_id_string]
  }

  twitter.post('statuses/update', params, function (err, data, response) {
    console.log(data)
  });
});

npm install twit --save