Angular 2 File Upload with PHP

https://www.youtube.com/watch?v=g9K-buFTM6o

Angular 4 File Upload with PHP

https://www.youtube.com/watch?v=FI7bzIuPous

File Upload with Angular 2 and NodeJS

https://www.youtube.com/watch?v=nUL_zNh7TE0

Source Code Examples

https://github.com/codediodeio/angular-firestarter/tree/master/src/app/uploads

https://github.com/rahil471/File-upload-Angular2-Nodejs

Angular File Uploads

https://angularfirebase.com/lessons/angular-file-uploads-to-firebase-storage/

Angular Drag-and-Drop File Uploads to Firebase Storage

https://www.youtube.com/watch?v=OVnrL4we2NM

Upload Files from Angular to Firebase Storage

https://www.youtube.com/watch?v=5qoU1EirSmo