Deploying Nodejs and Express.js apps in

I want to deploy the Node.js and Express.js application which did not have any use of the database and just external api call fetch and update the data I want to know how I can deploy the app I have seen the article about express.js deploys but couldn’t get much from it .Thanks in advance for help.
I want to know what changes I have to make in my directory structure and how should I create the netlify.toml file

Here’s my project(app) directory overview:
–.env
–.gitignore
–node_modules
–views
–index.ejs
–styles.css

–backend.js

Netlify doesn’t support Express Apps. You would have to use Netlify Functions. Take a look at this example: