docker exposes ports

[TimosCatell]

Hi,

In https://github.com/torplusdev/docs/blob/master/Docker%20Installation%20Instructions.md, you export ports 28000 and 80 to the outside world.

That's a really bad idea.

[TimosCatell]

PS: take a look at https://github.com/TimosCatell/TorPlusSite