[Unit]
Description=My Application Service
After=network.target

[Service]
Type=simple
User=myapp
Group=myapp
WorkingDirectory=/opt/myapp
ExecStart=/usr/bin/myapp
Restart=on-failure
RestartSec=5
KillMode=mixed
TimeoutStartSec=90
TimeoutStopSec=30
ProtectSystem=full

[Install]
WantedBy=multi-user.target