(!) Edit all this files before copying

1) Gunicorn socket:

• sudo cp gunicorn.socket /etc/systemctl/system/ & sudo systemctl enable gunicorn.socket & sudo systemctl start gunicorn.socket

2) Gunicorn service:

• sudo cp gunicorn.service /etc/systemctl/system/ & sudo systemctl enable gunicorn.service & sudo systemctl start gunicorn.service

3) Nginx:

• Generate certs via https://certbot.eff.org/
• sudo apt install nginx & sudo systemctl stop nginx
• Modify default file
• Backup default nginx config file: sudo mv /etc/nginx/sites-available/default default.bak
• Copy your config file: sudo cp default /etc/nginx/sites-available/
• Finally, check confing and start nginx: nginx -t & sudo systemctl start nginx