UPGRADE OF POSTGRES FAILED - I've tried everything

Thanks for the quick response! Yes, I tried that as well.

root@bitkcor:/var/discourse# ./launcher start app

starting up existing container
+ /usr/bin/docker start app
Error response from daemon: driver failed programming external connectivity on endpoint app (49f1fdf896618efc824e50f782c1fba91bf81320e49ccadb5e5e80b342552e3e): Error starting userland proxy: listen tcp 0.0.0.0:80: bind: address already in use
Error: failed to start containers: app
root@bitkcor:/var/discourse# ./launcher stop app
+ /usr/bin/docker stop -t 10 app
app
root@bitkcor:/var/discourse# tail -f shared/data/log/var-log/postgres/current
tail: cannot open 'shared/data/log/var-log/postgres/current' for reading: No such file or directory
tail: no files remaining