Configure gem install for production

This speeds up gem install, is configured for deployment and doesn't install dev and test gems. This reflects that this Dockerfile is intended for running the app in a production environment.
alphagov · Nov 12, 2020 · 45a3115 · 45a3115
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commit 45a3115
Showing 1 changed file with 3 additions and 1 deletion.
diff --git a/Dockerfile b/Dockerfile
@@ -15,7 +15,9 @@ RUN mkdir $APP_HOME
 WORKDIR $APP_HOME
 ADD .ruby-version $APP_HOME/
 ADD Gemfile* $APP_HOME/
-RUN bundle install
+RUN bundle config set deployment 'true'
+RUN bundle config set without 'development test'
+RUN bundle install --jobs 4
 
 ADD . $APP_HOME