Merge branch 'nginx-php-version' into 'master'

Don't expose nginx and PHP version to the public

See merge request !108

roles/nginx/templates/nginx.conf.j2

@@ -70,6 +70,8 @@ http {
 
     http2_max_field_size 8k;
 
+    server_tokens off;
+
     index index.php index.html index.htm;
 
     access_log syslog:server=unix:/dev/log,nohostname,tag=nginx_http main;

roles/php_fpm/templates/php.ini.j2

@@ -373,7 +373,7 @@ zend.enable_gc = On
 ; threat in any way, but it makes it possible to determine whether you use PHP
 ; on your server or not.
 ; http://php.net/expose-php
-expose_php = On
+expose_php = Off
 
 ;;;;;;;;;;;;;;;;;;;
 ; Resource Limits ;