Remove test gems from production build

Author: skryukov

Dockerfile

@@ -23,7 +23,7 @@ RUN apt-get update -qq && \
 ENV RAILS_ENV="production" \
     BUNDLE_DEPLOYMENT="1" \
     BUNDLE_PATH="/usr/local/bundle" \
-    BUNDLE_WITHOUT="development"
+    BUNDLE_WITHOUT="development:test"
 
 # Throw-away build stage to reduce size of final image
 FROM base AS build

Dockerfile-ssr

@@ -30,7 +30,7 @@ RUN curl -sL https://github.com/nodenv/node-build/archive/master.tar.gz | tar xz
 ENV RAILS_ENV="production" \
     BUNDLE_DEPLOYMENT="1" \
     BUNDLE_PATH="/usr/local/bundle" \
-    BUNDLE_WITHOUT="development"
+    BUNDLE_WITHOUT="development:test"
 
 # Throw-away build stage to reduce size of final image
 FROM base AS build

Rakefile

@@ -7,11 +7,12 @@ require_relative "config/application"
 
 Rails.application.load_tasks
 
-require "rubocop/rake_task"
+if defined?(RuboCop)
+  require "rubocop/rake_task"
+  RuboCop::RakeTask.new
 
-RuboCop::RakeTask.new
-
-task default: %i[rubocop:autocorrect]
+  task default: %i[rubocop:autocorrect]
+end
 
 # Update js-routes file before javascript build
 task "assets:precompile" => "js:routes"