update ruby version in dockerfile

Andrew Brown · Andrew Brown · commit c7053c815e9b · 2023-05-01T13:02:11.000-07:00
diff --git a/Dockerfile b/Dockerfile
@@ -5,7 +5,7 @@
 # manually is the preferred setup for Notebook.ai instances.
 
 # The image to build from.
-FROM ruby:2.7.6
+FROM ruby:3.2.1
 
 # Properties/labels for the image.
 LABEL maintainer="Notebook.ai Contributors"
