docker run --name postgres -e POSTGRES_DATABASE=keycloak -e POSTGRES_USER=keycloak -e POSTGRES_PASSWORD=password -e POSTGRES_ROOT_PASSWORD=root_password -d postgres
docker run --name keycloak --link postgres:postgres -p 8080:8080 -e KEYCLOAK_USER=admin -e KEYCLOAK_PASSWORD=admin jboss/keycloak-postgres
curl --data "grant_type=password&client_id=curl&username=richard&password=password" http://localhost:8080/auth/realms/master/protocol/openid-connect/token