circle.yml in s3repo-1.0.0 vs circle.yml in s3repo-2.0.0

@@ -1,8 +1,11 @@
+machine:
+  environment:
+    AWS_ACCESS_KEY_ID: '1'
+    AWS_SECRET_ACCESS_KEY: '1'
 dependencies:
   override:
-    - 'rvm-exec 2.1.6 bundle install'
-    - 'rvm-exec 2.2.2 bundle install'
+  - 'for i in $(cat .circle-ruby) ; do rvm-exec $i gem update --system --no-doc || exit 1 ; done'
+  - 'for i in $(cat .circle-ruby) ; do rvm-exec $i bundle install || exit 1 ; done'
 test:
   override:
-    - 'rvm-exec 2.1.6 bundle exec rake'
-    - 'rvm-exec 2.2.2 bundle exec rake'
+  - 'for i in $(cat .circle-ruby) ; do rvm-exec $i bundle exec rake || exit 1 ; done'