debian install home-assistant supervised on a fresh installed system

debian_install_homeassistant _supervised.sh

#!/usr/bin/env bash
function info { echo -e "\033[1;34m[Info]\033[0m $*"; }
function warn  { echo -e "\e[33m[warn] $*\e[39m"; }
function error { echo -e "\033[0;31m[Error]\033[0m $*"; exit 1; }
if [ "$EUID" -ne 0 ]
  then error "Please run as root eg: 'su -', 'sudo su' or 'sudo bash'"
fi
if [ -f /home/*/.ssh/authorized_keys  ] && [ -s /home/*/.ssh/authorized_keys  ]; then
  info "found authorized_keys, disableing password login"
  sed -i -e 's/^[#\t ]*PubkeyAuthentication[\t ]*.*$/PubkeyAuthentication yes/' /etc/ssh/sshd_config
  sed -i -e 's/^[#\t ]*PasswordAuthentication[\t ]*.*$/PasswordAuthentication no/' /etc/ssh/sshd_config
  if [ -f /root/.ssh/authorized_keys  ] && [ -s /root/.ssh/authorized_keys  ]; then
    info "allowing passwordless root login"
    sed -i -e 's/^[#\t ]*PermitRootLogin[\t ]*.*$/PermitRootLogin prohibit-password/' /etc/ssh/sshd_config
  fi
fi
info "system upgrade"
apt update 
apt upgrade -y
apt autoremove -y
info "installing pip"
apt-get -y update 
apt-get install -y python3-pip
pip3 install --upgrade pip
apt-get install -y software-properties-common apparmor-utils apt-transport-https avahi-daemon ca-certificates curl dbus jq network-manager gnupg
if [ ! -f /usr/bin/docker ] ; then
  info "installing docker"
  apt-get remove docker docker-engine docker.io
  curl -fsSL https://get.docker.com -o /tmp/get-docker.sh
  sh /tmp/get-docker.sh
  apt-get -y update 
  apt-get install -y docker-ce
  systemctl enable --now docker
else
  info "docker is already installed"
fi 
info "install docker-compose"
pip install docker-compose -U
info `docker-compose --version`
info "disable systemd services"
systemctl disable --now ModemManager.service pppd-dns.service debug-shell.service
systemctl mask accounts-daemon.service
if [ ! -f /usr/bin/ha ] ; then
  info "install home-assistant supervised"
  curl -fsSL "https://raw.githubusercontent.com/home-assistant/supervised-installer/master/installer.sh" -o /tmp/supervised-installer.sh
  bash /tmp/supervised-installer.sh
else
  info "home-assistant supervised is already installed"
fi