.rultor.yml in syncem-0.1.2 vs .rultor.yml in syncem-0.2.0

@@ -1,12 +1,15 @@
+docker:
+  image: yegor256/rultor-image:1.22.0
 assets:
   rubygems.yml: yegor256/home#assets/rubygems.yml
-install: |-
-  export GEM_HOME=~/.ruby
-  export GEM_PATH=$GEM_HOME:$GEM_PATH
-  bundle install
+install: |
+  sudo gem install pdd
+  pdd -f /dev/null
+  sudo bundle install --no-color "--gemfile=$(pwd)/Gemfile"
 release:
+  pre: false
   script: |-
     bundle exec rake
     rm -rf *.gem
     sed -i "s/0\.0\.0/${tag}/g" syncem.gemspec
     git add syncem.gemspec
@@ -14,11 +17,6 @@
     gem build syncem.gemspec
     chmod 0600 ../rubygems.yml
     gem push *.gem --config-file ../rubygems.yml
 merge:
   script: |-
-    bundle install
     bundle exec rake
-deploy:
-  script: |-
-    echo 'Nothing to deploy'
-    exit -1