[ 'base_url' => getenv('KEYCLOAK_BASE_URL') ?: '', 'realm' => getenv('KEYCLOAK_REALM') ?: '', 'client_id' => getenv('KEYCLOAK_CLIENT_ID') ?: '', 'client_secret' => getenv('KEYCLOAK_CLIENT_SECRET') ?: '', 'redirect_uri' => getenv('KEYCLOAK_REDIRECT_URI') ?: '', 'post_logout_redirect_uri' => getenv('APP_URL') ?: 'http://localhost:8000', ], ];