get ready

apt update
apt dist-upgrade -y
apt autoremove --purge
apt install wget gnupg1 htop lsb-release -y

proceed and eventually pre-install certbot already

    wget -qO - https://download.jitsi.org/jitsi-key.gpg.key | apt-key add -
    echo deb https://download.jitsi.org stable/ >> /etc/apt/sources.list
    apt update
    time apt install jitsi-meet certbot -y

PROVIDE FQDN --- or meet-tmp in case you're preparing a docker image

GENERATE CERTS (LE COMES LATER)

# 2m8.697s on xc
# 3m2.256s on xc
# 4m24.133s on xc