set-env-vars.service-systemd.txt

[Unit]
Description=Simple Service
After=network.target

[Install]
WantedBy=multi-user.target

[Service]
ExecStart=
ExecStop=
WorkingDirectory=
SyslogIdentifier=simple
Restart=always
RestartSec=5
Environment="VAR1=word1 word2" VAR2=word3