#!/usr/bin/sh

set -e
set -u

case "${1}" in
  install)
    /usr/bin/getent passwd 'traefik' > '/dev/null' 2>&1 || \
      /usr/sbin/adduser --quiet \
                        --system \
                        --home '/nonexistent' \
                        --shell '/usr/sbin/nologin' \
                        --no-create-home \
                        --group \
                        --disabled-password \
                        --disabled-login \
                        'traefik' > '/dev/null' 2>&1
  ;;
esac