# More info: https://deb.sury.org/
apt install apt-transport-https
cat<<EOF>/etc/apt/apt.conf.d/98sury
Acquire::https::packages.sury.org::Verify-Peer "false";
Acquire::https::packages.sury.org::Verify-Host "false";
EOF
echo "deb https://packages.sury.org/php/ stretch main" >> /etc/apt/sources.list
curl -Lk https://packages.sury.org/php/apt.gpg|apt-key add -
apt update