For expert-led online Angular training courses, you can’t go past Ultimate Angular by Todd Motto. Try his courses here, and use the code SITEPOINT to get 25% off and to help support SitePoint. In this tutorial, we’re going to look at managing user authentication in the MEAN stack.
https://www.sitepoint.com/mean-stack-angular-angular-cli
https://www.sitepoint.com/mean-stack-angular-angular-cli