smam/init/linux-systemd/smam.service

[Unit]
Description=SMAM (Send Me A Mail) contact form embedding
Documentation=https://github.com/babolivier/smam
; Edit this with your favorite web server
After=caddy.service
Requires=caddy.service

[Service]
Restart=on-failure
; User smam's home directory is the directory where SMAM's server.js is found
User=smam
Group=smam
; Start with NPM
ExecStart=npm start

[Install]
WantedBy=multi-user.target