Can you provide the URL you are trying to access?
https://frappe.github.io/frappe/user/en/bench/guides/setup-production.html
https://frappe.github.io/frappe/user/en/bench/guides/adding-custom-domains
https://frappe.github.io/frappe/user/en/bench/resources/background-services.html
https://frappe.github.io/frappe/user/en/bench/resources/bench-procfile.html
https://frappe.github.io/frappe/user/en/bench/resources/bench-commands-cheatsheet.html
Thank you!