# Check if already installed
if [[ $(which caddy) != "/usr/bin/caddy" ]]; then
  # Install prerequistes
  nala install -y debian-keyring debian-archive-keyring apt-transport-https curl
  
  # Install sources and keys
  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
fi

# Install or upgrade caddy
nala install -y caddy