updating docker login

Author: Ben Visser

circle.yml

@@ -1,14 +1,12 @@
 machine:
   services:
     - docker
-checkout:
-  post:
-    - echo '{"https://index.docker.io/v1/":{"auth":"$DOCKER_AUTH","email":"$DOCKER_EMAIL"}}' > $HOME/.dockercfg
 
 dependencies:
   pre:
     - go get github.com/noqcks/gucci
 
 test:
   override:
+    - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
     - ./build.sh