Minimalistic setup for Elastic on Docker

docker-compose.yml

version: '3.7'

services:

  elasticsearch:
    image: docker.elastic.co/elasticsearch/elasticsearch:7.7.1 # Latest version at: https://www.docker.elastic.co/
    container_name: elasticsearch
    environment:
      - xpack.security.enabled=false
      - discovery.type=single-node
      - "ES_JAVA_OPTS=-Xms512m -Xmx512m"
    ulimits:
      memlock:
        soft: -1
        hard: -1
      nofile:
        soft: 65535
        hard: 65535
    cap_add:
      - IPC_LOCK
    volumes:
      - elasticsearch-data:/usr/share/elasticsearch/data
    ports:
      - 9200:9200
      - 9300:9300

volumes:
  elasticsearch-data:
    driver: local