You do not to need to deploy when you are developing your project. Front-end code is automatically served up over Port 80. Access to back-end code (PHP, Ruby etc.) is done by accessing your Box.
You can deploy from the command line (Tools->Terminal menu), but Codio has a great Deployment Manager that lets you deploy all or any part of your project, with a single click ,to a custom ‘deployment target’. We support deployment to the following platforms.