Jwt Authentication without ASP.NET Core Identity 2.0

A Jwt based authentication sample for ASP.NET Core 2.0 without using the Identity system. It includes:

Users and Roles tables with a many-to-may relationship.
A separated EF Core data layer with enabled migrations.
An EF Core 2.0 based service layer.
A Db initializer to seed the default database values.
An account controller with Jwt and DB based login, custom logout and refresh tokens capabilities.
2 sample API controllers to show how user-roles can be applied and used.
A Jwt validator service to show how to react to the server side changes to a user's info immediately.
An Angular 4.3+ Client.

How to run the Angular 4.3+ Client

Install the Angular-CLI.
Open a command prompt console and then navigate to src/ASPNETCore2JwtAuthentication.AngularClient/ folder.
Now run the following commands:

npm install
ng serve -o

Then open another command prompt console and navigate to src/ASPNETCore2JwtAuthentication.WebApp/ folder.
Now run the following commands:

dotnet restore
dotnet watch run