Update bundler.

Author: tgxworld

Gemfile.lock

@@ -367,4 +367,4 @@ DEPENDENCIES
   webmock (~> 3.0)
 
 BUNDLED WITH
-   1.17.3
+   2.1.4

deploy/containers/app.yml

@@ -36,6 +36,7 @@ hooks:
         cd: $home
         cmd:
           - git checkout production
+          - git status
           - git pull --rebase origin production
           - sudo -u rubybench bundle install -j4 --deployment --verbose --without test:development --path=/shared/gems
 

deploy/image/ruby-bench-web/Dockerfile

@@ -23,7 +23,6 @@ RUN useradd rubybench -s /bin/bash -m -U && \
         chown -R rubybench:rubybench /var/www/ruby-bench-web
 
 RUN cd /var/www/ruby-bench-web && \
-    bundle update --bundler && \
     sudo -u rubybench bundle install --deployment --without test:development --path=vendor/bundle
 
 WORKDIR /var/www/ruby-bench-web