i m using one node for master see the config from master
node here
cluster.name: express
index.number_of_shards: 6
index.number_of_replicas: 0
index.mapping.ignore_malformed: true
node.name: "master1"
node.master: true
node.data: true
path.data: /data
path.logs: /mnt/logs
bootstrap.mlockall: true
network.host: 172.0.11.104
discovery.zen.ping.multicast.enabled: false
discovery.zen.ping.unicast.hosts: ["172.0.11.104", "172.0.11.47"]
script.disable_dynamic: false
http.jsonp.enable: false
http.basic.enabled: false
path.plugins: /usr/share/elasticsearch/plugins
shield.transport.client.auth: true
http.cors.enabled: true
http.cors.allow-origin: "/.*/"
http.cors.allow-credentials: true