ElasticSearch 7.6.2 cluster with grafana, prometheus and es_exporter

docker-compose.yaml

version: '2.2'
services:
  es01:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.6.2
    container_name: es01
    environment:
      - node.name=es01
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es02,es03
      # - discovery.zen.ping.unicast.hosts=es02,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data01:/usr/share/elasticsearch/data
    ports:
      - 9200:9200
    networks:
      - elastic
  es02:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.6.2
    container_name: es02
    environment:
      - node.name=es02
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01
      # - discovery.zen.ping.unicast.hosts=es01,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data02:/usr/share/elasticsearch/data
    networks:
      - elastic
  es03:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.6.2
    container_name: es03
    environment:
      - node.name=es03
      - cluster.name=es-docker-cluster
      - discovery.seed_hosts=es01
      # - discovery.zen.ping.unicast.hosts=es01,es02
      - cluster.initial_master_nodes=es01,es02,es03
      - bootstrap.memory_lock=true
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
    volumes:
      - data03:/usr/share/elasticsearch/data
    networks:
      - elastic
  # es04:
    # image: docker.elastic.co/elasticsearch/elasticsearch:7.6.2
    # container_name: es04
    # environment:
      # - node.name=es04
      # - cluster.name=es-docker-cluster
      # - discovery.seed_hosts=es01
      # - discovery.zen.ping.unicast.hosts=es01,es02
      # - cluster.initial_master_nodes=es01,es02,es03,es04
      # - bootstrap.memory_lock=true
      # - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    # ulimits:
      # memlock:
        # soft: -1
        # hard: -1
    # volumes:
      # - data04:/usr/share/elasticsearch/data
    # networks:
      # - elastic

  elasticsearch_exporter:
    container_name: elasticsearch_exporter
    image: justwatch/elasticsearch_exporter:1.1.0
    depends_on:
      - es01
    command:
      - '--es.uri=http://es01:9200/'
      - '--es.all'
      - '--es.indices'
      - '--es.shards'
    restart: always
    ports:
      - 9114:9114
    networks:
      - elastic
  grafana:
    restart: 'always'
    ports:
      - 3000:3000
    image: grafana/grafana
    networks:
      - elastic
    volumes:
      - ./grafana_data:/var/lib/grafana

  prometheus:
    image: prom/prometheus:latest
    container_name: prometheus
    restart: unless-stopped
    volumes:
      - ./prometheus:/etc/prometheus/
      - prometheus_data:/prometheus
    command:
      - '--config.file=/etc/prometheus/prometheus.yml'
      - '--storage.tsdb.path=/prometheus'
    expose:
      - 9090
    ports:
      - 9090:9090
    networks:
      - elastic

volumes:
  prometheus_data: {}
  data01:
    driver: local
  data02:
    driver: local
  data03:
    driver: local
  # data04:
    # driver: local

networks:
  elastic:
    driver: bridge
    ipam:
      driver: default
      config:
      - subnet:  10.10.10.0/24⏎

prometheus.yml

# my global config
global:
  scrape_interval:     10s # By default, scrape targets every 15 seconds.
  evaluation_interval: 10s # By default, scrape targets every 15 seconds.
  # scrape_timeout is set to the global default (10s).

  # Attach these labels to any time series or alerts when communicating with
  # external systems (federation, remote storage, Alertmanager).
  external_labels:
      monitor: 'elastic-test'

# Load and evaluate rules in this file every 'evaluation_interval' seconds.
rule_files:
  # - "alert.rules"
  # - "first.rules"
  # - "second.rules"

# A scrape configuration containing exactly one endpoint to scrape:
# Here it's Prometheus itself.
scrape_configs:
  # The job name is added as a label `job=<job_name>` to any timeseries scraped from this config.
  - job_name: 'prometheus'

    # Override the global default and scrape targets from this job every 5 seconds.
    scrape_interval: 10s

    # metrics_path defaults to '/metrics'
    # scheme defaults to 'http'.

    static_configs:
         - targets: ['localhost:9090', 'elasticsearch_exporter:9114']⏎