Install packages using IUS repo on Amazon Linux 2

# yum install https://centos7.iuscommunity.org/ius-release.rpm
# yum remove mod_php72u-7.2.13-2.ius.centos7.x86_64

[php-fpm + httpd]
# yum install php72u-sodium.x86_64 php72u-soap.x86_64 php72u-xml.x86_64 php72u-pecl-memcached.x86_64 php72u-pecl-imagick.x86_64 php72u-pdo.x86_64 php72u-mysqlnd.x86_64 php72u-mbstring.x86_64 php72u-json.x86_64 php72u-imap.x86_64 php72u-gd.x86_64 php72u-fpm-httpd.noarch php72u-devel.x86_64 php72u-cli.x86_64 php72u-bcmath.x86_64 php72u-opcache.x86_64 -y

[php-fpm + nginx]
# yum install php72u-bcmath.x86_64 php72u-cli.x86_64 php72u-fpm-nginx.noarch php72u-devel.x86_64 php72u-json.x86_64 php72u-mbstring.x86_64 php72u-mysqlnd.x86_64 php72u-opcache.x86_64 php72u-pdo.x86_64 php72u-pecl-imagick.x86_64 php72u-pecl-memcached.x86_64 php72u-soap.x86_64 php72u-sodium.x86_64 php72u-xml.x86_64

# wget https://pecl.php.net/get/imagick-3.4.4.tgz
# tar -xvf imagick-3.4.4.tgz
# cd imagick-3.4.4/
# phpize
# ./configure
# make
# make install
# php -m
# systemctl restart php-fpm