Because of its relatively complex project, it had previously been self-register each product line completed and signed in. With the product iterations, the user needs a unified user management center, to write a blog to be a record.
Oauth2 implemented with, jwt as token generation.
oauth2 Flowchart:
user: User
browser: Browser
app_fe: front-end application platform
app_se: the back-end application platform
user_fe: User central headend
user_se: User Center backend
