Chat application demo (using Angular and spring)

I want to demo chat web application with technology Angular 8 or above (frontend) and Spring (backend) with mysql databse

1. user can signup and login and chat with each other (one to one chat for example facebook)

2. web page design is not needed.

4. all chat should be store in database. if user have some chat and when it logout then after login all previous chat should be present in chat history.

3. it should be work in windows 10.