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Ask questionsRuby Build Images Missing Rake

rake is not available in the build images, but it is available in the runtime images.

└─(16:31:49 on master)──> docker run -it --rm lambci/lambda:build-ruby2.5 sh                                    
sh-4.2# rake
Traceback (most recent call last):
	2: from /var/lang/bin/rake:23:in `<main>'
	1: from /var/lang/lib/ruby/site_ruby/2.5.0/rubygems.rb:294:in `activate_bin_path'
/var/lang/lib/ruby/site_ruby/2.5.0/rubygems.rb:275:in `find_spec_for_exe': can't find gem rake (>= 0.a) with executable rake (Gem::GemNotFoundException)

This is present in 2.5 and 2.7.

lambci/docker-lambda

Answer questions mhart

Fixed! Thanks for raising 👍

useful!

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