fix circle.yml

circle.yml

@@ -13,7 +13,7 @@ deployment:
     branch: master
     commands:
       - set +x
-      - docker login -u $DOCKER_HUB_USER -p $DOCKER_HUB_PASS
+      - docker login -u $DOCKER_HUB_USER -p $DOCKER_HUB_PASS -e $DOCKER_HUB_EMAIL
       - set -x
       - captain push --branch-tags=false --commit-tags=true
       - git fetch origin stable