process.env.NOTARY_URL="${url}";
process.env.NOTARY_AUTH_TOKEN="${token}";
process.env.NOTARY_SIGNING_KEY="${key_name}";

const sign = require('@mongodb-js/mongodb-notary-service-client');
sign('my-app.rpm').then((signed) => {
  if (signed) console.log('my-app.rpm has been signed and rewritten in-place');
});