services:
  search:
    image: docker.elastic.co/elasticsearch/elasticsearch-oss:7.10.2
    container_name: elasticsearch
    hostname: search
    restart: always
    environment:
      - http.host=0.0.0.0
      - transport.host=localhost
      - network.host=0.0.0.0
      - "ES_JAVA_OPTS=-Xms256m -Xmx256m"
    deploy:
      resources:
        limits:
          memory: 512m
    networks:
      - backend
    volumes:
      - /root/elasticsearch/data/es_data:/var/lib/elasticsearch/data
    healthcheck:
      test: ["CMD-SHELL", "curl --silent --fail localhost:9200/_cluster/health || exit 1"]
      interval: 30s
      timeout: 10s
      retries: 5
      start_period: 30s

networks:
  backend:
    external: true