Bootstrap Glyphicons not displaying in angular2

Question

I am trying to use bootstrap glyphicons in my angular2 app. I have installed bootstrap using the command npm install bootstrap --save My code snippet is

Answer 1

I did the same as @Sebastian Viereck . But i did

npm install --save-dev @fortawesome/fontawesome-free

and on the angular.json

"styles": ["node_modules/bootstrap/dist/css/bootstrap.css",
           "node_modules/@fortawesome/fontawesome-free/css/all.min.css",
            "src/styles.css"
 ],

It looks that fontawesome has a new paid version