Options -Indexes
DirectoryIndex public/index.php

<IfModule mod_rewrite.c>
RewriteEngine On

# Canonicalize /public[...] to /[...]
RewriteRule ^public(?:/(.*))?$ /$1 [R=301,L,NE]

# Serve the app from /public when DocumentRoot points at repository root.
RewriteCond %{REQUEST_URI} !^/public/
RewriteRule ^(.*)$ public/$1 [L]
</IfModule>