Deploy jupyterlite at startup

app/services/llm_service.rb

@@ -11,8 +11,6 @@ def initialize openai_key, _opts = {}
   def make_judgement judge, query_doc_pair
     user_prompt = make_user_prompt query_doc_pair
     results = get_llm_response user_prompt, judge.system_prompt
-    puts 'Here are the results'
-    puts results
     judgement = Judgement.new(query_doc_pair: query_doc_pair, user: judge)
     judgement.rating = results[:judgment]
     judgement.explanation = results[:explanation]

config/initializers/heroku.rb

@@ -0,0 +1,23 @@
+# frozen_string_literal: true
+
+# Unpack Jupyterlite on Heroku as part of start up
+# See assets.rake for some related code.
+puts "about to test out heroku."
+if ENV['HEROKU_APP_NAME'].present?
+  notebooks_gz = Rails.root.join('notebooks.gz')
+  destination = Rails.public_path
+  notebooks_dir = Rails.public_path.join('notebooks')
+  unless File.exist?(notebooks_dir)
+
+    unless File.exist?(notebooks_gz)
+      puts 'Downloading latest Quepid Notebooks from https://github.com/o19s/quepid-jupyterlite'
+      system "wget --no-verbose -O #{notebooks_gz} https://github.com/o19s/quepid-jupyterlite/releases/latest/download/jupyter-lite-build.tgz"
+    end
+
+    puts "Unpacking Jupyterlite into #{destination}"
+    #system "tar -xzf #{notebooks_gz} --directory #{destination}"
+    system "tar -xzf #{notebooks_gz} --directory ./eric"
+
+    File.delete(notebooks_gz)
+  end
+end

lib/tasks/assets.rake

@@ -17,10 +17,15 @@ namespace :assets do
         system "wget --no-verbose -O #{notebooks_gz} https://github.com/o19s/quepid-jupyterlite/releases/latest/download/jupyter-lite-build.tgz"
       end
 
-      puts "Unpacking Jupyterlite into #{destination}"
-      system "tar -xzf #{notebooks_gz} --directory #{destination}"
+      # Heroku limits us to 500 MB slugs which we exceed, so
+      # only unpack the gzip file if we aren't in Heroku.
+      # On Heroku we unpack as part of start up.  See heroku.rb.
+      if ENV['HEROKU_APP_NAME'].blank?
+        puts "Unpacking Jupyterlite into #{destination}"
+        system "tar -xzf #{notebooks_gz} --directory #{destination}"
 
-      File.delete(notebooks_gz)
+        File.delete(notebooks_gz)
+      end
     end
   end