On the overview page, click on the Load Balancer" tab to configure your load balancer.
You will be presented with the following page:
There, select the service you want to expose on the web, the port number the service is listening on. If you want to support HTTPS, click the button to upload your certificate to squarescale. The load balancer will then encapsulate the plain HTTP connections with HTTPS.
Once you submit the form, the public URL will be shown there to access your application.