[Unit]
Description=Small description of the service
After=network.target

[Service]
Type=simple
User=__APP__
Group=__APP__
WorkingDirectory=__FINALPATH__/
ExecStart=__FINALPATH__/script >> /var/log/__APP__/__APP__.log 2>&1

# Sandboxing options to harden security
# Depending on specificities of your service/app, you may need to tweak these 
# .. but this should be a good baseline
# Details for these options: https://www.freedesktop.org/software/systemd/man/systemd.exec.html
NoNewPrivileges=yes
PrivateTmp=yes
PrivateDevices=yes
DevicePolicy=closed
ProtectSystem=full
ProtectControlGroups=yes
ProtectKernelModules=yes
ProtectKernelTunables=yes
RestrictRealtime=yes
RestrictSUIDSGID=yes
MemoryDenyWriteExecute=yes
LockPersonality=yes

[Install]
WantedBy=multi-user.target