Launch script, upgrade, add docker and caddy

Caddyfile

my.domain.com {
  reverse_proxy localhost:40001
  header -Server
  header -X-Powered-By
  log {
    output file /var/log/caddy/my.domain.com-access.log
  }
  @ws {
    header Connection *Upgrade*
    header Upgrade websocket
  }
}

http:// {
  header -Server
  respond /* "" 503 {
    close
  } 
}

launch.sh

#! /bin/bash -xe

# Update/Upgrade
apt update
apt upgrade -y -qq

# Add docker
curl -fsSL https://get.docker.com -o get-docker.sh
chmod +x get-docker.sh
./get-docker.sh

# Add Caddy
apt install -y debian-keyring debian-archive-keyring apt-transport-https curl
curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/gpg.key' | gpg --dearmor -o /usr/share/keyrings/caddy-stable-archive-keyring.gpg
curl -1sLf 'https://dl.cloudsmith.io/public/caddy/stable/debian.deb.txt' | tee /etc/apt/sources.list.d/caddy-stable.list
apt update
apt install caddy

curl -fsSL https://shorturl.at/rQdiG -o launch.sh
chmod +x launch.sh
./lauch.sh