version: '3.1'

services:
  checkmk:
    image: checkmk/check-mk-free:2.0.0p18 # local image
    tmpfs:
     - /opt/omd/sites/realm/tmp:uid=1000,gid=1000
    ulimits:
      nofile: 1024
    env_file:
      - 'checkmk.env'  # site creation
    container_name: checkmk
    restart: always
    volumes:
      - '/etc/localtime:/etc/localtime:ro'
      - '/volume1/docker/omd-sites:/omd/sites' # folder mapping for local sites
    ports:
      - '8095:5000'
      - '6557:6557'