version: "3.8"

networks:
  ${DOCKER_NET}:
    external: true

services:
  es-node:
    container_name: ${CONTAINER_NAME}-${ES_NODE_NAME}
    restart: always
    image: docker.elastic.co/elasticsearch/elasticsearch:8.12.0
    volumes:
      - ${ES_ROOT_PATH}/certs:/usr/share/elasticsearch/config/certs
      - ${ES_ROOT_PATH}/${ES_NODE_NAME}/data:/usr/share/elasticsearch/data
      - ${ES_ROOT_PATH}/${ES_NODE_NAME}/logs:/usr/share/elasticsearch/logs
      - ${ES_ROOT_PATH}/${ES_NODE_NAME}/config/elasticsearch.yml:/usr/share/elasticsearch/config/elasticsearch.yml
      - ${ES_ROOT_PATH}/${ES_NODE_NAME}/plugins:/usr/share/elasticsearch/plugins
    ports:
      - "${PANEL_APP_PORT_HTTPS}:9200"
      - "${ES_COMMUNICATION_PORT}:9300"
    networks:
      - ${CLUSTER_NETWORK}
    command: >
      bash -c '
        echo "start es-node";
        if [ ! -f config/certs/${ES_NODE_NAME}.zip ]; then
          echo "Creating certs";
          echo -ne \
          "instances:\n"\
          "  - name: ${ES_NODE_NAME}\n"\
          "    dns:\n"\
          "      - ${ES_NODE_NAME}\n"\
          "      - localhost\n"\
          "    ip:\n"\
          "      - 127.0.0.1\n"\
          > config/certs/${ES_NODE_NAME}.yml;
          bin/elasticsearch-certutil cert --silent --pem -out config/certs/${ES_NODE_NAME}.zip --in config/certs/${ES_NODE_NAME}.yml --ca-cert config/certs/ca/ca.crt --ca-key config/certs/ca/ca.key;
          unzip config/certs/${ES_NODE_NAME}.zip -d config/certs;
        fi;
        echo "Setting file permissions"
        chown -R root:root config/certs;
        exec /usr/local/bin/docker-entrypoint.sh elasticsearch
      '
    environment:
      - node.name=${ES_NODE_NAME}
      - cluster.name=${CLUSTER_NAME}
      - cluster.initial_master_nodes=${ES_INITIAL_MASTER_NODES}
      - discovery.seed_hosts=${ES_SEED_HOSTS}
      - ELASTIC_PASSWORD=${ELASTIC_PASSWORD}
      - bootstrap.memory_lock=true
      - xpack.security.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.http.ssl.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.http.ssl.key=certs/${ES_NODE_NAME}/${ES_NODE_NAME}.key
      - xpack.security.http.ssl.certificate=certs/${ES_NODE_NAME}/${ES_NODE_NAME}.crt
      - xpack.security.http.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.enabled=${ES_XPACK_SECURITY_ENABLED}
      - xpack.security.transport.ssl.key=certs/${ES_NODE_NAME}/${ES_NODE_NAME}.key
      - xpack.security.transport.ssl.certificate=certs/${ES_NODE_NAME}/${ES_NODE_NAME}.crt
      - xpack.security.transport.ssl.certificate_authorities=certs/ca/ca.crt
      - xpack.security.transport.ssl.verification_mode=certificate
      - xpack.license.self_generated.type=basic
      - ES_JAVA_OPTS=-Xms${ES_JAVA_OPTS_XMS} -Xmx${ES_JAVA_OPTS_XMX}
    mem_limit: ${MEM_LIMIT}
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65536
        hard: 65536
    healthcheck:
      test:
        [
          "CMD-SHELL",
          "curl -s --cacert config/certs/ca/ca.crt https://localhost:9200 | grep -q 'missing authentication credentials'",
        ]
      interval: 10s
      timeout: 10s
      retries: 120
    logging:
      driver: "json-file"
      options:
        max-size: "10m"
        max-file: "3"