Sending passwords via email Will compromise any passwords sent via email. Regardless if the password is stored anywhere in the process if the password is sent via email it is compromised and no longer safe to use. Email is not end and encrypted you have no idea who’s running the mail exchange servers that your email follows, it’s entirely possible for this company to store that password in a log dealing with their email servers. Password sent via email should be considered immediately compromised and any sites following a practice like this should not be trusted with standard passwords which you shouldn’t be using anyway.
Depending on the Mac you’re using you can set up a VM directly using a hypervisor like VirtualBox or UTM to help improve performance. However if you’re trying to run a production application on a MacBook using docker you’re going to have a bad time. If you’re trying to performance test you’re better off trying to set up a cloud instance in Amazon using Linux to get better performance
Tax codes and capitalism at it finest. Companies gonna company