pip install gunicorn

[Unit]
Description=gunicorn daemon for Django
After=network.target

[Service]
User=www-data
Group=www-data
WorkingDirectory=/home/youruser/your_project
ExecStart=/home/youruser/your_env/bin/gunicorn \
  --workers 3 \
  --bind 0.0.0.0:8000 \
  your_project.wsgi:application
Restart=always

[Install]
WantedBy=multi-user.target

sudo systemctl daemon-reload
sudo systemctl enable gunicorn
sudo systemctl start gunicorn

sudo usermod -aG www-data nginx_user