servers on the same network, and enable the discovery protocol in $MY_KARAF_HOME/etc/org.apache.unomi.persistence.elasticsearch.cfg file : discovery.zen.ping.multicast.enabled=true All nodes on elasticsearch automatic discovery in $MY_KARAF_HOME/etc/org.apache.unomi.persistence.elasticsearch.cfg : discovery.zen.ping.multicast.enabled=false And then set the property discovery.zen.ping.unicast.hosts hosts in $MY_KARAF_HOME/etc/elasticsearch.yml files : discovery.zen.ping.unicast.hosts: [‘192.168.0.1:9300', ‘192.168.0.2:9300'] More information and configuration options can be found at :

elasticsearch: image: docker.elastic.co/elasticsearch/elasticsearch:7.17.5 environment: - discovery.type=single-node ports: - 9200:9200 unomi: # Unomi version can be updated based