Docker Compose v2 compatibility (#9759)
* Document Docker Compose v2 compatibility
* Move the warning about Docker Compose v2 to troubleshooting, write something on troubleshooting the network
* Rephrase warning text slightly
* Update .env
Co-authored-by: Manuel Kaufmann <humitos@gmail.com>
* Add some semantic linebreaks
* Remove the /etc/hosts troubleshooting step, it's not actual troubleshooting
* Remove troubleshooting of network failures
Co-authored-by: Manuel Kaufmann <humitos@gmail.com>
