Pin rubygems updater version

gem update runs rubygems-update under the hood. Current version of rubygems-update (>=3.5.0) require ruby 3.0 or better. Last version of rubygems-update compatible with Ruby used here was 3.4.22
epimorphics · Jan 17, 2024 · a6d9860 · a6d9860
1 parent a4a4ce0
commit a6d9860
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/Dockerfile b/Dockerfile
@@ -13,7 +13,8 @@ RUN apk add --update \
     tzdata \
     yarn \
     && rm -rf /var/cache/apk/* \
-    && gem update --system \
+    && gem install rubygems-update -v 3.4.22 \
+    && update_rubygems \
     && gem install bundler:$BUNDLER_VERSION \
     && bundle config --global frozen 1