Dev Container Ruby LSP

Gemfile

# -*- mode: ruby; indent-tabs-mode: nil; tab-width: 2 -*-
# .devcontainer/Gemfile

File.expand_path("../Gemfile", __dir__).tap do |gemfile|
  File.read(gemfile).scan(/^(?:ruby|source|git_source)\s.*/) do |match|
    instance_eval(match)
  end
end

Bundler::LockfileParser.new(Bundler.read_file(File.expand_path("../Gemfile.lock", __dir__))).specs.group_by(&:name).values.each do |specs|
  gem specs.first.name, specs.first.version.to_s
end

gem "ruby-lsp", require: false, group: :development
gem "ruby-lsp-rspec", require: false, group: :development
gem "debug", require: false, group: :development, platforms: :mri
gem "standard", require: false, group: :development