wget: can't execute 'ssl_helper'

[warrenvw]

Describe the problem

Non-failing error message seen during Deploy image to Docker Hub step at https://circleci.com/gh/StackStorm/st2-docker/813:

wget: can't execute 'ssl_helper': No such file or directory
wget: error getting response: Connection reset by peer

Check to see if ca-certificates and/or openssl is installed. google/cadvisor#1131

Versions

• docker: 17.06.0-ce-git
• stackstorm/stackstorm image: v2.9.0

To Reproduce

See https://circleci.com/gh/StackStorm/st2-docker/813.