What is Laravel .env ?
In Laravel, the .env file is a configuration file that holds various environment-specific configuration settings for your application. It's a plaintext file where you can define key-value pairs, with each pair representing a configuration variable and its corresponding value.
We can access .env values in your Laravel application using this env() function.
Let’s think if you need to access the app name.
env(“APP_NAME”)
This .env file should be kept secure, and the file should not be shared publicly. Additionally, Laravel provides the php artisan key:generate command to generate a secure application key that is used for encryption purposes.
Encrypting Environment File
This feature supported since laravel 9.xphp artisan env:encrypt
That artisan command will encrypt the values in your .env file and generate a new one .env.enc file.
Decrypting Environment File
php artisan env:decrypt
This will decrypt the .env.enc file and output it to the console
if you wish to learn more(reference)...
https://laravel.com/docs/9.x/configuration#encrypting-environment-files