You can log a message to Jaconda anytime someone deploys code to Heroku.
Go to the Integration page of your room and find there Heroku webhook url:
Go to your Heroku project, click on the Get More Add-ons:
Add new HTTP Post Hook in the Deploy Hooks section:
Choose your app and enter webhook url:
This is it, now each time you deploy something to Heroku everybody in your room will get instant notification.