elasticsearch/docs/reference/setup/install/docker-compose.yml

version: "2.2"

services:
  es01:
    container_name: es01
    image: {docker-repo}:{version}
    environment:
      - node.name=es01
      - discovery.seed_hosts=es02,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - ELASTIC_PASSWORD=$ELASTIC_PASSWORD
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - xpack.security.enabled=true
      - xpack.security.http.ssl.enabled=true
      - xpack.security.http.ssl.key=$CERTS_DIR/es01/es01.key
      - xpack.security.http.ssl.certificate_authorities=$CERTS_DIR/ca/ca.crt
      - xpack.security.http.ssl.certificate=$CERTS_DIR/es01/es01.crt
      - xpack.security.transport.ssl.enabled=true
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.security.transport.ssl.certificate_authorities=$CERTS_DIR/ca/ca.crt
      - xpack.security.transport.ssl.certificate=$CERTS_DIR/es01/es01.crt
      - xpack.security.transport.ssl.key=$CERTS_DIR/es01/es01.key
    volumes: ["data01:/usr/share/elasticsearch/data", "certs:$CERTS_DIR"]
    ports:
      - 9200:9200
    healthcheck:
      test: curl --cacert $CERTS_DIR/ca/ca.crt -s https://localhost:9200 >/dev/null; if [[ $$? == 52 ]]; then echo 0; else echo 1; fi
      interval: 30s
      timeout: 10s
      retries: 5

  es02:
    container_name: es02
    image: {docker-repo}:{version}
    environment:
      - node.name=es02
      - discovery.seed_hosts=es01,es03
      - cluster.initial_master_nodes=es01,es02,es03
      - ELASTIC_PASSWORD=$ELASTIC_PASSWORD
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - xpack.license.self_generated.type=trial
      - xpack.security.enabled=true
      - xpack.security.http.ssl.enabled=true
      - xpack.security.http.ssl.key=$CERTS_DIR/es02/es02.key
      - xpack.security.http.ssl.certificate_authorities=$CERTS_DIR/ca/ca.crt
      - xpack.security.http.ssl.certificate=$CERTS_DIR/es02/es02.crt
      - xpack.security.transport.ssl.enabled=true
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.security.transport.ssl.certificate_authorities=$CERTS_DIR/ca/ca.crt
      - xpack.security.transport.ssl.certificate=$CERTS_DIR/es02/es02.crt
      - xpack.security.transport.ssl.key=$CERTS_DIR/es02/es02.key
    volumes: ["data02:/usr/share/elasticsearch/data", "certs:$CERTS_DIR"]

  es03:
    container_name: es03
    image: {docker-repo}:{version}
    environment:
      - node.name=es03
      - discovery.seed_hosts=es01,es02
      - cluster.initial_master_nodes=es01,es02,es03
      - ELASTIC_PASSWORD=$ELASTIC_PASSWORD
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
      - xpack.license.self_generated.type=trial
      - xpack.security.enabled=true
      - xpack.security.http.ssl.enabled=true
      - xpack.security.http.ssl.key=$CERTS_DIR/es03/es03.key
      - xpack.security.http.ssl.certificate_authorities=$CERTS_DIR/ca/ca.crt
      - xpack.security.http.ssl.certificate=$CERTS_DIR/es03/es03.crt
      - xpack.security.transport.ssl.enabled=true
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.security.transport.ssl.certificate_authorities=$CERTS_DIR/ca/ca.crt
      - xpack.security.transport.ssl.certificate=$CERTS_DIR/es03/es03.crt
      - xpack.security.transport.ssl.key=$CERTS_DIR/es03/es03.key
    volumes: ["data03:/usr/share/elasticsearch/data", "certs:$CERTS_DIR"]

  wait_until_ready:
    image: {docker-repo}:{version}
    command: /usr/bin/true
    depends_on: { "es01": { "condition": "service_healthy" } }

volumes: { "data01", "data02", "data03", "certs" }