You can create user and login with keycloak to angular application.
Keycloak Admin User and Password: admin
$ docker-compose up -d
Keycloak Server listening on http://localhost:8080
$ yarn install
$ yarn start
$ yarn build:ssr
$ yarn serve:ssr
Server listening on http://localhost:4000
NOT: Please add "*" to WebOrigins for "Angular-keycloak-test" client.