version: '3.7'

services:
  watchtower:
    # https://hub.docker.com/r/containrrr/watchtower
    # https://containrrr.dev/watchtower/
    image: containrrr/watchtower:latest
    container_name: watchtower
    volumes:
      - "/var/run/docker.sock:/var/run/docker.sock"
      - "/etc/localtime:/etc/localtime:ro"
    env_file: .env
    restart: unless-stopped
    command: "${CONTAINERS_LIST}"
    logging:
      driver: "json-file"
      options:
        max-size: "${LOG_MAX_SIZE:-5m}"
        max-file: "${LOG_MAX_FILE:-5}"