Use Any Folder In Dropbox
By default, UpDog will create a folder that only it (and you, of course) has access to.
As of today, Pro members can now use any folder in their Dropbox account to host a site through UpDog.
Link Your Full Dropbox Account
When creating a new site, you’ll have the option to link your entire Dropbox account. Clicking this button will ask your permission to connect your account to UpDog.
Once you’ve linked your account, you’ll be presented with a list of folders in your Dropbox account. Select the folder that contains your website:
Choose a name for your site, click save and add some HTML files to the folder you selected.