Sometimes it is way too early in the development cycle to set up automated (or not) deployment just to get some feedback; this is where tunnels come in:
connect command needs only one argument that specifies destination:
In the next example we demonstrate tunnels functionality with custom subdomains and automated SSL:
To get a custom subdomain and enable SSL you need to specify two flags:
flexible enables both HTTP and HTTPS endpoints.
More details are available in tunnels documentation page.