Update Rubygems before installing Rails

mernen · mernen · commit 7a24a93edda8 · 2024-09-04T00:56:11.000-03:00
ruby/psych#607
diff --git a/Earthfile b/Earthfile
@@ -17,6 +17,7 @@ rails-app:
     FROM +ruby
 
     ARG RAILS_VERSION="~>7.0"
+    RUN gem update --system
     RUN gem install rails --version "$RAILS_VERSION"
 
     WORKDIR /usr/src
