Laravel Project - After upload hosting server faced the issue for 500 Server Error and website menu link issue - laravel-8

Question

I have faced the issue for website not working properly.[Project file uploaded in sub folder].
Folder Path : example.com->public_html->lrvproject
Please note the below issues:
Home Page - 500 Server Error. https://www.example.com/lrvproject/
Sub Pages open - I have manually enter page path it's showing page.
Example: https://www.example.com/lrvproject/contact
After loading subpages Menu link URL showing is "https://www.example.com/contact".
I have refer the tutorial inside public(folder copy all file and paste outside public folder).
index.php [https://www.example.com/lrvproject/index.php]
if (file_exists(__DIR__.'/../storage/framework/maintenance.php')) {
require __DIR__.'/../storage/framework/maintenance.php';
}
require __DIR__.'/../lrvproject/vendor/autoload.php';
$app = require_once __DIR__.'/../lrvproject/bootstrap/app.php';
$kernel = $app->make(Kernel::class);
$response = tap($kernel->handle(
$request = Request::capture()
))->send();
$kernel->terminate($request, $response);
web.php (routes)
use Illuminate\Support\Facades\Route;
//use App\Http\Controllers\UserAuthController;
Route::get('/','HomeController#index');
Route::get('/about', function () {
return view('pages/about');
});
Route::get('/gallery','ImageGalleryController#index');
Route::get('/contact','ContactController#index');
Route::post('/contact','ContactController#sendmail');
server.php [https://www.example.com/lrvproject/server.php]
$uri = urldecode(
parse_url($_SERVER['REQUEST_URI'], PHP_URL_PATH)
);
if ($uri !== '/' && file_exists(__DIR__.'/public'.$uri)) {
return false;
}
require_once __DIR__.'/public/index.php';
//require_once __DIR__.'/index.php';
.htaccess [https://www.example.com/lrvproject/.htaccess]
<IfModule mod_rewrite.c>
<IfModule mod_negotiation.c>
Options -MultiViews -Indexes
</IfModule>
# Disable Directory listing
Options -Indexes
# block files which needs to be hidden, specify .example extension of the file
<Files ~ "\.(env|json|config.js|md|gitignore|gitattributes|lock)$">
Order allow,deny
Deny from all
</Files>
RewriteEngine On
# Handle Authorization Header
RewriteCond %{HTTP:Authorization} .
RewriteRule .* - [E=HTTP_AUTHORIZATION:%{HTTP:Authorization}]
# Redirect Trailing Slashes If Not A Folder...
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_URI} (.+)/$
RewriteRule ^ %1 [L,R=301]
# Send Requests To Front Controller...
RewriteCond %{REQUEST_FILENAME} !-d
RewriteCond %{REQUEST_FILENAME} !-f
RewriteRule ^ index.php [L]
</IfModule>
Already Server Folder Permission enabled. PHP extensions enabled.
How to solve the issue. please help.

Answer 1

I have solved the issue. I have updated the below steps.
.env file database details updated, now my home page worked.
index.php [https://www.example.com/lrvproject/index.php] -Edit
require DIR.'/vendor/autoload.php';
$app = require_once DIR.'/bootstrap/app.php';
Web menu links URL-Edit
href="/lrvproject/contact" link path update "Contact US"
Clear Cache in Server
My Laravel Application Running in Server (Sub-folder directory)