Merge pull request #31 from Clever/rm-email-docker

Removed deprecated docker email flag

Author: nathanleiby

circleci/docker-publish

@@ -53,9 +53,9 @@ if [ "$ECR_PUSH_ID" != "" ]; then
   check_ecr_vars
 fi
 
-# dockerhub login. 
+# dockerhub login.
 # `FROM image` in Dockerfile is going to pull from DockerHub
-docker login -u $DOCKER_USER -p $DOCKER_PASS --email="$DOCKER_EMAIL"
+docker login -u $DOCKER_USER -p $DOCKER_PASS --email="$DOCKER_EMAIL" || docker login -u $DOCKER_USER -p $DOCKER_PASS
 
 echo "Building docker image..."
 docker build -t $ORG/$REPO:$SHORT_SHA .