This topic is a tutorial to deploy the angular app on firebase hosting. There is a step by step tutorial on https://firebase.google.com/docs/hosting/quickstart if you are deploying a normal website. But for the Angular App, there is a slightly different approach.
First to build your angular app in production mode
ng build — prod
It builds and minifies the source to dist/you app folder.
The first step you have to install the Firebase CLI
npm install -g firebase-tools
The second step you have to login with your firebase account. It will ask you to enter the email, then it will open the browser to sign in the firebase
The third step to initiate the firebase project
You should see the screen below: