Systemd
Some configurations for systemd service
Simple service
[Unit]
Description=myapp
After=network.target
[Service]
WorkingDirectory=/opt/dir
EnvironmentFile=/opt/dir/my.env
ExecStart=/opt/dir/myapp
# systemctl reload <your>.service | systemctl kill -s SIGHUP <your>.service
ExecReload=kill -HUP $MAINPID
Restart=on-failure
RestartSec=3
[Install]
WantedBy=multi-user.target