increase memory allowed for APC, add phpize package to install script

install.sh

@@ -64,7 +64,7 @@ systemctl enable mongod
 yum install -y MySQL-python python-sqlalchemy
 
 # Install PHP
-yum install -y php php-fpm php-apc php-pdo php-mcrypt php-mbstring php-pecl-runkit phpmyadmin
+yum install -y php php-fpm php-apc php-pdo php-mcrypt php-mbstring php-pecl-runkit phpmyadmin phpize
 
 # We install normal PHP *then* replace with php7 packages because phpmyadmin
 # wants original PHP, by replacing with php7 after the phpMA package doesn't

php-d-fpm.ini

-cgi.fix_pathinfo=0
+cgi.fix_pathinfo = 0
 date.timezone = 'UTC'
+apc.shm_size = 256M