Trouble with backend deployment -- 404 error

[luke]

Hi, @lhsi. This support guide might also help here:

[Support Guide] Can I run a web server, HTTP listener, and/or database at Netlify?

Last reviewed by Netlify Support on December 2022 How do I run a server/database at Netlify? We often get questions about how to run a specific backend server or database at Netlify. Examples of these types of questions include: How to I get my node HTTP listener to respond to requests? How do I start Mongo/MySQL/<insert-some-database-here> running on the server? How can I SSH into my website? We are here today to answer these questions - and the answer is: you can’t! What do you m…

If there are other questions that doesn’t answer, please let us know.