util-services.yml

version: "2"

services:
  watchtower_:
    image: ubergesundheit/watchtower:updated
    command: --ps-filter label=org.opensensemap.watchtower.enable=true
    volumes:
      - /var/run/docker.sock:/var/run/docker.sock
    restart: always
  backup_:
    image: sensebox/duplicity-backup
    hostname: osem-backup
    restart: always
    volumes:
      - caddy-data:/backup/caddy-data:ro
      - userimages:/backup/userimages:ro
    environment:
      DUPLY_GPG_KEY: "disabled"
      #DUPLY_GPG_PW: "secureP4$$"
      DUPLY_TARGET_URL: "scheme://address/path"
      DUPLY_TARGET_USER: "<username>"
      DUPLY_TARGET_PASS: "<password>"
      DUPLY_SOURCE: "/backup"
      DUPLY_MAXAGE: "6M"
      DUPLY_MAXFULLBKPAGE: "1M"
      DUPLY_ACTION: "bkp_post"
      SCHEDULE: "0 */2 * * * * "
      SLACK_HOOK_URL: "a valid slack url"
      # to escape the dollar sign, just double it
      #DUPLY_PRE: |-
      #  #/bin/bash
      #  echo "PRE"
      #  echo "PROFILE             $$PROFILE"
      #  echo "CONFDIR             $$CONFDIR"
      #  echo "SOURCE              $$SOURCE"
      #  echo "TARGET_URL_PROT     $$TARGET_URL_PROT"
      #  echo "TARGET_URL_HOSTPATH $$TARGET_URL_HOSTPATH"
      #  echo "TARGET_URL_USER     $$TARGET_URL_USER"
      #  echo "TARGET_URL_PASS     $$TARGET_URL_PASS"
      #  echo "GPG_KEY_ENC         $$GPG_KEY_ENC"
      #  echo "GPG_KEY_SIGN        $$GPG_KEY_SIGN"
      #  echo "GPG_PW              $$GPG_PW"
      #  echo "CMD_PREV            $$CMD_PREV"
      #  echo "CMD_NEXT            $$CMD_NEXT"
      #  echo "CMD_ERR             $$CMD_ERR"
      #  echo "RUN_START           $$RUN_START"
      #  echo "RUN_START           $$(date -d "@$$(($$RUN_START/1000000000))" --iso-8601=seconds)"
      DUPLY_POST: |-
        #/bin/bash
        #
        set -uo pipefail
        IFS=$$'\n\t'

        if [ "$$CMD_ERR" != "0" ]
        then
          source /notify-slack.sh
          ISO_RUN_START=$$(date -d "@$$(($$RUN_START/1000000000))" --iso-8601=seconds)

          notify_slack ":negative_squared_cross_mark: The command \`$$CMD_PREV\` failed with exit code \`$$CMD_ERR\` while backing up \`$$HOSTNAME\` to \`$$TARGET_URL_HOSTPATH\`. Please check the logs."
        fi