Scenario "Salta": Docker container won't start

[fduran]

Discussions about the scenario Salta

[zerotrustprivacy]

I opened the ports as instructed but I'm still receiving an error message."sudo docker run -d -p 8888:8888 app node server.js
7d7f008ca546358e6d282a501c1b6cefcdf9d6725fd884b7e847366d25364f99
docker: Error response from daemon: driver failed programming external connectivity on endpoint nice_kalam (ed46d09e368bcd785e64c52d275a296bb56c731106604c6d1ef85aa8157fc6a8): Error starting userland proxy: listen tcp4 0.0.0.0:8888: bind: address already in use."