discovery not working about docker-elasticsearch-aws HOT 3 CLOSED

cloud:
  aws:
    region: ${REGION}
    access_key: ${AWS_KEY}
    secret_key: ${AWS_SECRET}

discovery:
  type: ec2
  ec2.groups: ${GROUP_NAME}
  zen:
    minimum_master_nodes: ${NUMBER_OF_MASTERS}

#Master
docker run --name elasticsearch-master \
    --detach \
    --privileged \
    --volume /data/elasticsearch:/data \
    -p 9300:9300 \
    -e CLUSTER_NAME=my-es \
    -e ES_HEAP_SIZE=256m \
    -e NODE_DATA=false \
    -e HTTP_ENABLE=false \
    -e AWS_KEY=*key* \
    -e AWS_SECRET=*secret* \
    -e GROUP_NAME=v2-tst-host1-sg \
    my_registry/elasticsearch:0.1.3
#client
docker run --name elasticsearch-client \
    --detach \
    --privileged \
    --volume /data/elasticsearch:/data \
    -p 9200:9200 \
    -e CLUSTER_NAME=my-es \
    -e ES_HEAP_SIZE=256m \
    -e NODE_MASTER=false \
    -e NODE_DATA=false \
    -e AWS_KEY=*key* \
    -e AWS_SECRET=*secret* \
    -e GROUP_NAME=v2-tst-host1-sg \
    my_registry/elasticsearch:0.1.3
#data
docker run --name elasticsearch-data \
    --detach \
    --privileged \
    --volume /data/elasticsearch:/data \
    -e CLUSTER_NAME=my-es \
    -e ES_HEAP_SIZE=1024m \
    -e NODE_MASTER=false \
    -e HTTP_ENABLE=false \
    -e AWS_KEY=*key* \
    -e AWS_SECRET=*secret* \
    -e GROUP_NAME=v2-tst-host1-sg \
    my_registry/elasticsearch:0.1.3