dockerToSlack.js

module['exports'] = function sendToSlack (hook) {
  console.log('received payload from docker: ' + JSON.stringify(hook.req.body));
  var dockerInboundPayload = hook.req.body;
  
  var requestOptions = {
    url: hook.env.SLACK_WEBHOOK_URL,
    body: { 
            text : 'Image pushed to repo ' + dockerInboundPayload.repository.repo_name,
            channel: hook.env.SLACK_CHANNEL_NAME
          },
    method: 'POST'
  }
  
  var request = require('request');
  request(requestOptions, function(err, res, body){
      if (err) {
          return hook.res.end(err.messsage);
      }
      hook.res.end(body);
  });
};