Update server configuration for Symfony 4

Author: michaelperrin

setup/web_server_configuration.rst

@@ -15,13 +15,13 @@ When using Apache, you can configure PHP as an
 :ref:`PHP FPM <web-server-apache-fpm>`. FastCGI also is the preferred way
 to use PHP :ref:`with Nginx <web-server-nginx>`.
 
-.. sidebar:: The Web Directory
+.. sidebar:: The public directory
 
-    The web directory is the home of all of your application's public and
+    The public directory is the home of all of your application's public and
     static files, including images, stylesheets and JavaScript files. It is
-    also where the front controllers (``index.php`` and ``index.php``) live.
+    also where the front controller (``index.php``) lives.
 
-    The web directory serves as the document root when configuring your
+    The public directory serves as the document root when configuring your
     web server. In the examples below, the ``public/`` directory will be the
     document root. This directory is ``/var/www/project/public/``.
 
@@ -270,25 +270,8 @@ The **minimum configuration** to get your application running under Nginx is:
             # try to serve file directly, fallback to index.php
             try_files $uri /index.php$is_args$args;
         }
-        # DEV
-        # This rule should only be placed on your development environment
-        # In production, don't include this and don't deploy index.php or config.php
-        location ~ ^/(app_dev|config)\.php(/|$) {
-            fastcgi_pass unix:/var/run/php7.1-fpm.sock;
-            fastcgi_split_path_info ^(.+\.php)(/.*)$;
-            include fastcgi_params;
-            # When you are using symlinks to link the document root to the
-            # current version of your application, you should pass the real
-            # application path instead of the path to the symlink to PHP
-            # FPM.
-            # Otherwise, PHP's OPcache may not properly detect changes to
-            # your PHP files (see https://github.com/zendtech/ZendOptimizerPlus/issues/126
-            # for more information).
-            fastcgi_param SCRIPT_FILENAME $realpath_root$fastcgi_script_name;
-            fastcgi_param DOCUMENT_ROOT $realpath_root;
-        }
-        # PROD
-        location ~ ^/app\.php(/|$) {
+
+        location ~ ^/index\.php(/|$) {
             fastcgi_pass unix:/var/run/php7.1-fpm.sock;
             fastcgi_split_path_info ^(.+\.php)(/.*)$;
             include fastcgi_params;
@@ -324,17 +307,16 @@ The **minimum configuration** to get your application running under Nginx is:
 
 .. tip::
 
-    This executes **only** ``index.php``, ``index.php`` and ``config.php`` in
-    the web directory. All other files ending in ".php" will be denied.
+    This executes **only** ``index.php`` in the public directory. All other files
+    ending in ".php" will be denied.
 
-    If you have other PHP files in your web directory that need to be executed,
+    If you have other PHP files in your public directory that need to be executed,
     be sure to include them in the ``location`` block above.
 
 .. caution::
 
     After you deploy to production, make sure that you **cannot** access the ``index.php``
-    or ``config.php`` scripts (i.e. ``http://example.com/index.php`` and ``http://example.com/config.php``).
-    If you *can* access these, be sure to remove the ``DEV`` section from the above configuration.
+    script (i.e. ``http://example.com/index.php``).
 
 .. note::