Fix:
502 Bad Gateway
Troubleshooting
$ tail -f /opt/sandstorm/var/log/mongo.log 2021-05-12T09:33:31.949+0000 [initandlisten] 2021-05-12T09:33:31.949+0000 [initandlisten] ERROR: Insufficient free space for journal files 2021-05-12T09:33:31.949+0000 [initandlisten] Please make at least 422MB available in /var/mongo/journal or use --smallfiles
$ df -lh Filesystem Size Used Avail Use% Mounted on udev 1,9G 0 1,9G 0% /dev tmpfs 386M 40M 347M 11% /run /dev/sda1 38G 36G 320M 100% / tmpfs 1,9G 4,0K 1,9G 1% /dev/shm tmpfs 5,0M 0 5,0M 0% /run/lock tmpfs 1,9G 0 1,9G 0% /sys/fs/cgroup tmpfs 386M 0 386M 0% /run/user/0