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OS Support

This Feature supports Linux images that ship one of the following package managers: apt, dnf/yum, apk, zypper, or pacman. The script detects the available package manager and installs the build dependencies that ruby-build needs.

bash is required to execute the install.sh script.

Layout

  • Ruby is installed under /usr/local/rubies/<version> by ruby-build.
  • The default Ruby is exposed via the /usr/local/rubies/current symlink, which is placed on the PATH through containerEnv.
  • ruby-build itself is cloned to /usr/local/share/ruby-build and symlinked into /usr/local/bin/ruby-build so additional versions can be installed later.
  • A shared ruby group owns /usr/local/rubies; the configured non-root user is added to it so gem install can write into the active Ruby tree without sudo.