Class: Dash::Dockerfile::Rules::CopyBeforeInstall

Inherits:

Base

• Object
• Base
• Dash::Dockerfile::Rules::CopyBeforeInstall

Defined in:

lib/dash/dockerfile/rules/copy_before_install.rb

Overview

The single most expensive Dockerfile mistake: copying the whole tree before installing dependencies, so every commit — a README typo included — reinstalls them.

Constant Summary

SUGGESTION =

"copy the dependency manifests first (Gemfile, package.json, lockfiles), install, then copy the rest of the tree"

Instance Method Summary

• #findings ⇒ Object

Instance Method Details

#findings ⇒ Object

# File 'lib/dash/dockerfile/rules/copy_before_install.rb', line 6

def findings
  document.stages.filter_map { |stage| finding_for(stage) }
end