How to load custom json files into Laravel's config - Simplest Web | https://simplestweb.in/blog/how-to-load-custom-json-files-into-laravels-config

AppServiceProvider.php

<?php

namespace App\Providers;

use Illuminate\Support\ServiceProvider;

class AppServiceProvider extends ServiceProvider
{
    /**
     * Register any application services.
     *
     * @return void
     */
    public function register()
    {
        //
    }

    /**
     * Bootstrap any application services.
     *
     * @return void
     */
    public function boot()
    {
        if (file_exists(storage_path('settings.json'))) {
            $settings = json_decode(file_get_contents(storage_path('settings.json')), true);
            config(['settings' => $settings]);
        }
    }
}

routes.php

Route::post('/settings', function (Request $request) {
    $rawSettings = json_decode($request->get('settings'), true);
    if ($rawSettings == null) abort(500);

    $text = json_encode($rawSettings, JSON_PRETTY_PRINT | JSON_UNESCAPED_UNICODE | JSON_UNESCAPED_SLASHES);
    file_put_contents(storage_path('settings.json'), $text);

    return redirect('/');
});