Elasticsearch cluster configuration problem

[Bruno Lins Alves]

Hi,

I'm using ambar, but I want to use an elasticsearch cluster (with two nodes). So, I changed docker-compose.yml to the following:

version: "2.1"
networks:
internal_network:
services:
elasticsearch1:
image: ambar/ambar-es:latest
container_name: elasticsearch1
environment:
- cluster.name=docker-cluster
- bootstrap.memory_lock=true
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
ulimits:
memlock:
soft: -1
hard: -1
mem_limit: 1g
volumes:
- /dados/system/es/es-01:/usr/share/elasticsearch/data
ports:
- 9200:9200
networks:
- internal_network
elasticsearch2:
image: ambar/ambar-es:latest
environment:
- cluster.name=docker-cluster
- bootstrap.memory_lock=true
- "ES_JAVA_OPTS=-Xms512m -Xmx512m"
- "discovery.zen.ping.unicast.hosts=elasticsearch1"
ulimits:
memlock:
soft: -1
hard: -1
mem_limit: 1g
volumes:
- /dados/system/es/es-02:/usr/share/elasticsearch/data
networks:
- internal_network

But, when I execute the command: curl -X GET "localhost:9200/_cluster/health?pretty", I notice that the cluster was not mounted correctly:

{
"cluster_name" : "elasticsearch",
"status" : "yellow",
"timed_out" : false,
"number_of_nodes" : 1,
"number_of_data_nodes" : 1,
"active_primary_shards" : 4,
"active_shards" : 4,
"relocating_shards" : 0,
"initializing_shards" : 0,
"unassigned_shards" : 4,
"delayed_unassigned_shards" : 0,
"number_of_pending_tasks" : 0,
"number_of_in_flight_fetch" : 0,
"task_max_waiting_in_queue_millis" : 0,
"active_shards_percent_as_number" : 50.0
}

If I use the image used by the amber Dockerfile (elasticsearch:5.6.3), the cluster mounts perfectly.

Can anybody help me?
Thanks!

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