nifi:
  image: apache/nifi
  ports:
    - "8080:8080"
    - "8082:8082"
    - "10000:10000"
  environment:
    - NIFI_WEB_HTTP_PORT=8080
    - NIFI_CLUSTER_IS_NODE=true
    - NIFI_CLUSTER_NODE_PROTOCOL_PORT=8082
    - NIFI_REMOTE_INPUT_SOCKET_PORT=10000
    - NIFI_ZK_CONNECT_STRING=zookeeper1:2181,zookeeper2:2181,zookeeper3:2181
    - NIFI_ELECTION_MAX_WAIT=1 min
  extra_hosts:
    - zookeeper1:10.0.0.21
    - zookeeper2:10.0.0.22
    - zookeeper3:10.0.0.23
  restart: always