systemd

Services

Creating a New Service
If you want an application to be able to run at start up.
Create your service file
nano /etc/systemd/system/<application>.service
Add the following information to the file with updated application info. Depending on the service you might not need specific environment variables or a working directory.
[Unit]
Description=Start <application> service
After=network.target
[Service]
Type=simple
User=<your-user>
WorkingDirectory=<path/to/directory>
Environment="FOO=foo"
ExecStart=</path/to/>binary
Restart=on-failure
RestartSec=10
[Install]
WantedBy=multi-user.target
After saving your entry you can run the following commands
sudo systemctl daemon-reload
sudo systemctl enable <application>.service
sudo systemctl start <application>.service
sudo systemctl status <application>.service
Further Reading
https://www.baeldung.com/linux/systemd-services-environment-variables