message: ci(Docker): docker login -e flag no longer available.
diff: @@ -14,7 +14,7 @@ jobs:
  docker pull insighttoolkit/itk-js:latest
  ./test/Docker/build.sh
  if [ "${CIRCLE_BRANCH}" == "master" ]; then
  - docker login -e $DOCKER_EMAIL -u $DOCKER_USER -p $DOCKER_PASS
  + docker login -u $DOCKER_USER -p $DOCKER_PASS
  docker push insighttoolkit/itk-js:latest
  fi
  - run:
  