1. First use iptables to set up security. Close all unused ports and open only used ports.
2. Mail settings. Use docker-mail server. Close the clamav program to save memory usage. Set the regular (cron) anti-virus function in the main program.
3. Install python, virtualenv environment.
4. Install odoo, because the website is mainly used, remove the unnecessary addons.
5. Use supervisor to monitor the operation of odoo.