Building ZooKeeper and Elasticsearch containers

Building ZooKeeper and Elasticsearch images

To build ZooKeeper and Elasticsearch images

Create the following file:

zookeeper_elasticsearch/docker-compose.yml

version: '2.4'
services:
  zookeeper:
    image: zookeeper:3.9.4
    container_name: zookeeper
    mem_limit: 2g
    environment:
      - ZOO_4LW_COMMANDS_WHITELIST=ruok
    healthcheck:
      test: ["CMD-SHELL", "echo ruok | nc localhost 2181 | grep imok"]
      interval: 5s
      timeout: 10s
      retries: 3
    networks:
      - twc-net

  ##Below zoonavigator Section is optional###
  zoonavigator:
    image: elkozmon/zoonavigator:2.0.0
    container_name: zoonavigator
    ports:
      - "9000:9000"
    environment:
      - "CONNECTION_MYZK_CONN=zookeeper:2181"
      - "CONNECTION_LOCAL_CONN=localhost:2181"
      - "AUTO_CONNECT_CONNECTION_ID=MYZK"
    depends_on:
      zookeeper:
        condition: service_healthy
    networks:
      - twc-net

  elasticsearch:
    image: elasticsearch:7.16.2
    container_name: elasticsearch
    mem_limit: 4g
    ports:
      - "9200:9200"
    environment:
      - discovery.type=single-node
      - cluster.routing.allocation.disk.threshold_enabled=false
      - "ES_JAVA_OPTS=-Xms2g -Xmx2g"
    healthcheck:
      test: ["CMD", "nc", "-z", "-w2", "localhost", "9200"]
      interval: 5s
      timeout: 5s
      retries: 60
    networks:
      - twc-net

networks:
  twc-net:
    external: true

SHELL

Build the image by running the following command:

cd /twc/zookeeper_elasticsearch;
docker compose build --no-cache

SHELL

Start the services by running the following command:
```
docker compose up -d 
```
SHELL