what should i use for back-end development among with ANGULAR 7

hi every one i am new to developing a web site for a companies witch will be used in there local network am already stated ,i have always wanted to learn angular so i found this as an opportunity to do so , i almost finished skeleton of the page using Angular 7 , bootstrap and chart.js so i need to move to back-end development . i asked one of my friends and she advised me to use Angular spring boot and REST . i actually don't know much about web development don't know if it is a good choice to flow what she said and also i don't know how to implement the web site in the local network so please i am asking for your help should i use Spring boot and REST and why should I also i am going to need database and I am thinking about wamp