version: '3'

services:
    kafka1st:
       image:  hyperledger/fabric-kafka
       restart: always
       networks:
           - fabric
       environment:
           - KAFKA_MESSAGE_MAX_BYTES=103809024
           - KAFKA_MAX_REQUEST_SIZE=104857600
           - KAFKA_REPLICA_FETCH_MAX_BYTES=103809024
           - KAFKA_UNCLEAN_LEADER_ELECTION_ENABLE=true
           - KAFKA_BROKER_ID=1
           - KAFKA_MIN_INSYNC_REPLICAS=1
           - KAFKA_DEFAULT_REPLICATION_FACTOR=1
           - KAFKA_ZOOKEEPER_CONNECT=node_zookeeper1st:2181,node_zookeeper2nd:2181,node_zookeeper3rd:2181
       deploy:
         placement:
           constraints: [node.hostname == your-swarm-hostname-of-node]
       depends_on:
          - node_zookeeper1st
          - node_zookeeper2nd
          - node_zookeeper3rd

       ports:
          - 9092:9092
          - 9093:9093


    zookeeper1st:
       image: hyperledger/fabric-zookeeper
       restart: always
       networks:
           - fabric

       environment:
         - ZOO_MY_ID=1
         - ZOO_SERVERS=server.1=0.0.0.0:2888:3888 server.2=zookeeper2nd:2888:3888 server.3=zookeeper3rd:2888:3888
         - ZOO_TICK_TIME=2000
         - ZOO_INIT_LIMIT=10
         - ZOO_SYNC_LIMIT=5

       deploy:
         placement:
            constraints: [node.hostname == your-swarm-hostname-of-node]

       ports:
          - 2181:2181


    zookeeper2nd:
        image: hyperledger/fabric-zookeeper
        restart: always
        networks:
           - fabric

        environment:
            - ZOO_MY_ID=2
            - ZOO_SERVERS=server.1=zookeeper1st:2888:3888 server.2=0.0.0.0:2888:3888 server.3=_zookeeper3rd:2888:3888
            - ZOO_TICK_TIME=2000
            - ZOO_INIT_LIMIT=10
            - ZOO_SYNC_LIMIT=5

        deploy:
          placement:
            constraints: [node.hostname == your-swarm-hostname-of-node]
        ports:
          - 12181:2181

    zookeeper3rd:
        image: hyperledger/fabric-zookeeper
        restart: always
        networks:
            - fabric
        environment:
            - ZOO_MY_ID=3
            - ZOO_SERVERS=server.1=zookeeper1st:2888:3888 server.2=zookeeper2nd:2888:3888 server.3=0.0.0.0:2888:3888
            - ZOO_TICK_TIME=2000
            - ZOO_INIT_LIMIT=10
            - ZOO_SYNC_LIMIT=5
        deploy:
          placement:
             constraints: [node.hostname == your-swarm-hostname-of-node]

        ports:
          - 22181:2181


networks:
      fabric:
        external: true