[ARROW-9739] [CI][Ruby] Don't install gem documents

• Type: Improvement
• Status: Resolved
• Priority: Trivial
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: Continuous Integration, Ruby
• Labels: pull-request-available
• External issue URL: https://github.com/apache/arrow/issues/17308
• Assignee: Pratik Raj
• Reporter: Pratik Raj
• Created: 14/Aug/20 11:13
• Updated: 11/Jan/23 08:08
• Resolved: 15/Aug/20 04:09

Description

Don't install gem documents in Docker environment to reduce size and time in building and pulling.

More detail can be found at
https://guides.rubygems.org/command-reference/#installupdate-options-2

Issue Links

• links to: GitHub Pull Request #7964