dockerode_stdin.js

var Docker = require('dockerode');
var docker = new Docker({ socketPath: false, host: '192.168.59.103', port: '2375' });

var optsc = {
  'Hostname': '',
  'User': '',
  'AttachStdin': true,
  'AttachStdout': true,
  'AttachStderr': true,
  'Tty': false,
  'OpenStdin': true,
  'StdinOnce': true,
  'Env': null,
  'Cmd': ['wc','-c'],
  'Dns': ['8.8.8.8', '8.8.4.4'],
  'Image': 'ubuntu',
  'Volumes': {},
  'VolumesFrom': ''
};

function handler(err, container) {
  var attach_opts = {stream: true, stdin: true, stdout: true, stderr: true};

  container.attach(attach_opts, function handler(err, stream) {
    stream.pipe(process.stdout);
    container.start(function(err, data) {
      stream.write('hello');
      stream.end();
    });
  });
}

docker.createContainer(optsc, handler);