Docker compose file for a 3-Zoo Keeper ensemble and 3 SolrCloud nodes, with config and data persistence for both the ZK and Solr nodes.

docker-compose.yml

version: '3.1'

services:
  zoo1:
    image: zookeeper:3.4.13
    restart: always
    hostname: zoo1
    ports:
      - 2181:2181
    volumes:
      - ./zoo-1/conf:/conf
      - ./zoo-1/data:/data
      - ./zoo-1/datalog:/datalog
      - ./zoo-1/logs:/logs
    environment:
      ZOO_MY_ID: 1
      ZOO_SERVERS: server.1=0.0.0.0:2888:3888 server.2=zoo2:2888:3888 server.3=zoo3:2888:3888
    networks:
      - solrcloud

  zoo2:
    image: zookeeper:3.4.13
    restart: always
    hostname: zoo2
    ports:
      - 2182:2181
    volumes:
      - ./zoo-2/conf:/conf
      - ./zoo-2/data:/data
      - ./zoo-2/datalog:/datalog
      - ./zoo-2/logs:/logs
    environment:
      ZOO_MY_ID: 2
      ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=0.0.0.0:2888:3888 server.3=zoo3:2888:3888
    networks:
      - solrcloud

  zoo3:
    image: zookeeper:3.4.13
    restart: always
    hostname: zoo3
    ports:
      - 2183:2181
    volumes:
      - ./zoo-3/conf:/conf
      - ./zoo-3/data:/data
      - ./zoo-3/datalog:/datalog
      - ./zoo-3/logs:/logs
    environment:
      ZOO_MY_ID: 3
      ZOO_SERVERS: server.1=zoo1:2888:3888 server.2=zoo2:2888:3888 server.3=0.0.0.0:2888:3888
    networks:
      - solrcloud

  solr1:
    image: solr:7.5.0
    restart: always
    ports:
      - 8983:8983
    volumes:      
      - ./solr-1:/opt/mysolrhome
    environment:
      ZK_HOST: zoo1:2181,zoo2:2181,zoo3:2181
      SOLR_HOST: solr1
      SOLR_HOME: /opt/mysolrhome
      INIT_SOLR_HOME: "yes"
    depends_on:
      - zoo1
      - zoo2
      - zoo3
    networks:
      - solrcloud

  solr2:
    image: solr:7.5.0
    restart: always
    ports:
      - 8984:8983
    volumes:      
      - ./solr-2:/opt/mysolrhome
    environment:
      ZK_HOST: zoo1:2181,zoo2:2181,zoo3:2181
      SOLR_HOST: solr2
      SOLR_HOME: /opt/mysolrhome
      INIT_SOLR_HOME: "yes"      
    depends_on:
      - zoo1
      - zoo2
      - zoo3
    networks:
      - solrcloud

  solr3:
    image: solr:7.5.0
    restart: always
    ports:
      - 8985:8983
    volumes:
      - ./solr-3:/opt/mysolrhome
    environment:
      ZK_HOST: zoo1:2181,zoo2:2181,zoo3:2181
      SOLR_HOST: solr3
      SOLR_HOME: /opt/mysolrhome
      INIT_SOLR_HOME: "yes"
    depends_on:
      - zoo1
      - zoo2
      - zoo3
    networks:
      - solrcloud

# Docker dashboard
  portainer:
    image: portainer/portainer
    command: -H unix:///var/run/docker.sock
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
      - solrcloud_portainer_data:/data
    ports:
      - 9001:9000
    depends_on:
      - zoo1
      - zoo2
      - zoo3 
      - solr1
      - solr2
      - solr3
    networks:
      - solrcloud

volumes:
  solrcloud_portainer_data:

networks: 
  solrcloud: