gunicorn.socket: Failed with result 'service-start-limit-hit'
I don't know django, but I am going to assume that this issue is similar to an issue I saw trying to get the MySQL service to start on one of my servers today (see here: https://stackoverflow.com/a/55141733/708323)
Basically, the "start-limit-hit" message is a red herring - service start tries to start which ever service name you provide multiple times, and if after the fifth failed attempt (for me, at least) it crashes out on the sixth attempt with "start-limit-hit". You'll need to investigate the actual syslog (possibly /var/log/syslog) to see what the real errors are that are preventing the service from starting on attempts 1-5.