From @refextu on June 8, 2017 16:27

Environment details

• OS: Docker
• Node.js version: 7.10.0
• npm version: 4.2.0
• google-cloud-node version: google-cloud/vision: ^0.11.2

Steps to reproduce

• set HTTP(S)_PROXY via ENV
• block all outgoing traffic w/o proxy try to detect or annotate via nodejs api

expected: response from google server
actual: no response/block by firewall

Copied from original issue: googleapis/google-cloud-node#2367