docker-compose run --rm auth yarn cli:auth generate-keys
docker compose up -d
docker exec -i postgraphile-demo-postgres-1 psql -U user -d db < schema.sql

docker-compose run --rm auth yarn cli:auth generate-jwt
docker-compose run --rm auth yarn cli:auth generate-jwt --role admin --aud my_app
docker-compose run --rm auth yarn cli:auth generate-jwt --role user --sub 1

SELECT current_user;  -- user name of current execution context
SELECT session_user;  -- session user name

SELECT grantee, privilege_type 
FROM information_schema.role_table_grants 
WHERE table_name='public.users';