+curl -fsSL https://deb.nodesource.com/setup_16.x | bash -
+apt-get install -y nodejs
+
+apt-add-repository ppa:brightbox/ruby-ng
+apt-get install -y ruby${RUBY_VERSION} ruby${RUBY_VERSION}-dev ruby-switch ruby-bundler
+
+ruby-switch --list
+ruby-switch --set ruby${RUBY_VERSION}