.then(Promise.promisifyAll(process1)) .then(Promise.promisifyAll(process2)) .then(Promise.promisifyAll(process3)) Shouldn't it be just Promise.promisif

.then(Promise.promisifyAll(process1)) .then(Promise.promisifyAll(process2)) .then(Promise.promisifyAll(process3)) Shouldn't it be just Promise.promisify[1]. Not that it matters, promisifyAll does the same thing, but also looks for child functions to promisify. [1] https://github.com/petkaantonov/bluebird/blob/master/API.md#promisepromisifyfunction-nodefunction--dynamic-receiver---function https://github.com/petkaantonov/bluebird/blob/master/API.md#...