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Custom check for Spatie's Laravel Health - Ensure every .env variable you need has a value

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.env vars check for Spatie's Laravel Health

Latest Version on Packagist GitHub Tests Action Status PHPStan GitHub Code Style Action Status Total Downloads

Laravel Health by Spatie, in addition to providing some default checks, allows you to create your own.

This package checks if all variables you need have been set in your .env file.

Starting from v1.8.0, you can also ensure a variable has been set to a certain value.

Some variables are needed in every environment; others only in specific ones. For example, you want to be sure that BUGSNAG_API_KEY has been set in your production environment, but you don't need this while developing locally.

Did anyone say "it works on my machine"?

Who has never lost several minutes before realizing that, let's say in production, something is not working because one or more variables have not been valued?

Requirements

encodia/laravel-health-env-vars requires PHP 8.0+, Laravel 8.0+.

PHP 8.1+ is required with Laravel 10.

PHP 8.2+ is required with Laravel 11.

Installation

You can install the package via composer:

composer require encodia/laravel-health-env-vars

Usage

Register this Check just like the others:

// typically, in a service provider

use Spatie\Health\Facades\Health;
use Spatie\Health\Checks\Checks\UsedDiskSpaceCheck;
use Encodia\Health\Checks\EnvVars;

Health::checks([
    // From Spatie's examples
    UsedDiskSpaceCheck::new()
        ->warnWhenUsedSpaceIsAbovePercentage(70)
        ->failWhenUsedSpaceIsAbovePercentage(90),
        
    // Many other checks...
    
    /*
     * Check that SOME_API_KEY and MAIL_FROM_ADDRESS variables are
     * set (no matter in which environment)
     */
    EnvVars::new()
        ->requireVars([
            'SOME_API_KEY',
            'MAIL_FROM_ADDRESS',
        ])
]);

Need to check only in a specific environment if a variable has been set?

No problem:

use Spatie\Health\Facades\Health;
use Encodia\Health\Checks\EnvVars;

Health::checks([
    // ...
    // (other checks)
    // ...
    
    /*
     * Check that SOME_API_KEY and MAIL_FROM_ADDRESS variables are
     * set (no matter in which environment).
     * 
     * Only in staging, ensure EXTENDED_DEBUG_MODE has been set.
     * 
     * Additionally, only in production,
     * ensure BUGSNAG_API_KEY has been set.
     */
    EnvVars::new()
        ->requireVars([
            'SOME_API_KEY',
            'MAIL_FROM_ADDRESS',
        ])
        ->requireVarsForEnvironment('staging', [
            'EXTENDED_DEBUG_MODE'
        ])
        ->requireVarsForEnvironment('production', [
            'BUGSNAG_API_KEY'
        ]);
]);

It's very likely that you need some variables in multiple environments, but not in all of them.

For example, you need to set BUGSNAG_API_KEY only in these environments:

  • qa
  • production

but not in local, staging, demo or whatever.

You could chain multiple requireVarsForEnvironment calls but, in this case, it's better to use requireVarsForEnvironments:

use Spatie\Health\Facades\Health;
use Encodia\Health\Checks\EnvVars;

Health::checks([
    // ...
    // (other checks)
    // ...
    
    /*
     * Check that SOME_API_KEY and MAIL_FROM_ADDRESS variables are
     * set (no matter in which environment).
     * 
     * Only in staging, ensure EXTENDED_DEBUG_MODE has been set.
     * 
     * Additionally, only in qa and production environments,
     * ensure BUGSNAG_API_KEY has been set.
     */
    EnvVars::new()
        ->requireVars([
            'SOME_API_KEY',
            'MAIL_FROM_ADDRESS',
        ])
        ->requireVarsForEnvironment('staging', [
            'EXTENDED_DEBUG_MODE'
        ])
        ->requireVarsForEnvironments(['qa', 'production'], [
            'BUGSNAG_API_KEY'
        ]);
]);

Need to check if a variable has been set to a specific value?

Starting from v1.8.0, you can use requireVarsMatchValues to perform this check, regardless of the current environment.

If you need to run this check only if the current environment matches the given one(s), you can use requireVarsForEnvironment or requireVarsForEnvironments.

Examples:

use Encodia\Health\Checks\EnvVars;
use Spatie\Health\Facades\Health;

Health::checks([
    EnvVars::new()
        // ... other methods ...
        ->requireVarsMatchValues([
            // Ensure that APP_LOCALE is set to 'en' (no matter which is the current environment)
            'APP_LOCALE' => 'en',
            // Ensure that APP_TIMEZONE is set to 'UTC' (no matter which is the current environment)
            'APP_TIMEZONE' => 'UTC',
        ])
        ->requireVarsMatchValuesForEnvironment('staging', [
            // Only if current environment is 'staging', we don't want to send e-mails to real customers
            'MAIL_MAILER' => 'log',        
        ])
        ->requireVarsMatchValuesForEnvironments(['qa', 'production'], [
            // Only if current environment is 'qa' or 'production, we want to log 'info' events or above
            'LOG_LEVEL' => 'info',
            // Only if current environment is 'qa' or 'production, we want to store assets to S3
            'FILESYSTEM_DISK' => 's3',        
        ]);
]);

⚠️ When checking values, do not store personal data, keys, tokens, etc.!

Caveats

During your deployment process, be sure to run EnvVars checks before caching your configuration!

Why? After running php artisan config:cache, any env('WHATEVER_NAME') will return null, so your EnvVars checks will fail.

Please check

Testing

composer test

Changelog

Please see CHANGELOG for more information on what has changed recently.

Contributing

Please see CONTRIBUTING for details.

Security Vulnerabilities

Please review our security policy on how to report security vulnerabilities.

Credits

License

The MIT License (MIT). Please see License File for more information.

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Custom check for Spatie's Laravel Health - Ensure every .env variable you need has a value

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