Steps

You can create a new simple(nodejs + express) app and deploy to azure:

Step 1

install express npm install express-generator -g

Step 2

create an express sample application: express newappname

Step 3

cd newappname change directory: > cd newapp

install dependencies: > npm install

run the app locally: > SET DEBUG=newapp:* & npm start

Step 4

git init & Azure deployment center - CI/CD choose local git or github

Step 5

in vs code - azure app service deploy to related app

https://docs.microsoft.com/en-us/azure/app-service/quickstart-nodejs?pivots=platform-windows https://thewebspark.com/2018/04/18/creating-and-deploying-express-web-app-on-azure-in-few-steps/