In Lumen there's no config directory. This is to keep the framework as light as possible.

However there are times when you need to add a few settings of your own. Actually this is really quick and easy.

In your .env file put the new setting that you need

Make a new directory under the app directory and call it "config". Inside make a new file and call it what you like, eg: extra_config.php

In that file put an array like this with your own config names. Note: You can put a default value to be used if the .env file setting is not set.

Finally tell Lumen what you have done!

Open the bootstrap/app.php and put

--------------------------------------------------------

Put it after this

$app = new Laravel\Lumen\Application(
    realpath(__DIR__.'/../')
);

But before this

return $app;

--------------------------------------------------------

Then you just use it the same way you do in Laravel