version: '3.7'
services:
  pinger:
    build:
      context: .
      args:
        - USER_ID=${EUID:-1000}
        - GROUP_ID=${EUID:-1000}
    environment:
      - TZ=America/New_York
      # file with server list
      - SERVER_FILE=/service/servers.env
      # list of servers (takes precedence over file)
      #- SERVERS=127.0.0.1
      #          0.0.0.0
      #          localhost
      # use iso-8601 instead of epoch timestamp [default: -+%s]
      #- DATE_FORMAT=-Iseconds
      # set the cycle at which servers are pinged [default: 60s]
      #- CYCLE=60s
      # set amount of times servers are pinged on each cycle [default: 10]
      #- PING_COUNT=10
      # set output file name [default: ping.csv]
      #- OUTPUT_FILE=ping.csv
    restart: always
    image: pinger
    container_name: pinger    
    volumes:
      - $PWD/data:/service/data
      - $PWD/servers.env:/service/servers.env