.htaccess without index.php

Question

Apache HTTP Server

There was a task to redirect all requests from the root directory to a subdirectory. I put in the
root with the content:/www/example.com.htaccess

Options +FollowSymLinks -MultiViews -Indexes
RewriteEngine on
RewriteRule . app/index.php [QSA]

Should redirect everything to /www/example.com/app/index.php.
But it does not redirect until you put it in /www/example.coman empty index.php, otherwise an error

AH01276: No matching DirectoryIndex (index.php,index.html) found, and server-generated directory index forbidden by Options directive

or if we remove -Indexes, then

AH01630: client denied by server configuration: /www/example.com/.htaccess

Google suggests that this is treated through something like

<Directory "%hostdir%">
 AllowOverride all
 Require all granted
</Directory>

But this is a regular virtual hosting, there is no access to httpd-vhost.

Question: how to do without empty index.php? He, of course, does not ask for porridge, but his eyes are callous.

Answer 1

<IfModule mod_rewrite.c>
    RewriteEngine on
    RewriteRule  ^$ public/    [L]
    RewriteRule  (.*) public/$1 [L]
</IfModule>

The root request is empty. And you have a "point" - 1 any character.

Answer 2

DirectoryIndex disabled

Answer 3

Here's what's different:

A single argument of "disabled" prevents mod_dir from searching for an index. An argument of "disabled" will be interpreted literally if it has any arguments before or after it, even if they are "disabled" as well.