Add an A record @ which points to the IPV4 address of the VPS. For IPV6 add a AAAA record @ which points to the IPV6 address of the VPS.

Move the setup script to the server:

scp server-setup.sh root@example.andersmurphy.com:

ssh into server as root:

ssh root@example.andersmurphy.com

run bash script:

bash server-setup.sh

follow instructions.

Check status of service.

systemctl status app.service

Restart service manually:

systemctl restart app.service