Understanding the Gemfile.lock file

Question

After running the bundle install command, \'Gemfile.lock\' is created in the working directory. What do the directives inside that file mean?

F

Answer 1

What does the exclamation mark after the gem name in the 'DEPENDECIES' group mean?

The exclamation mark appears when the gem was installed using a source other than "https://rubygems.org".