Symfony 4 - automatically change the environment by IP

We have three development servers (dev1, dev2, stage)
and one production server and some symfony projects.

We would like to change the environment automatically.
Currently my hack looks like this in 'public/index.php'

use AppKernel;
use SymfonyComponentDebugDebug;
use SymfonyComponentDotenvDotenv;
use SymfonyComponentHttpFoundationRequest;

require __DIR__.'/../vendor/autoload.php';

//----------- hack start ------------

$_SERVER['APP_ENV'] = 'prod';
$_SERVER['APP_DEBUG'] = 0;
$_SERVER['APP_SECRET'] = '67d829bf61dc5f87a73fd814e2c9f629';

$localIP = getHostByName(getHostName());
if ($localIP === '81.4.552.97') {
$_SERVER['APP_ENV'] = 'dev1';
$_SERVER['APP_DEBUG'] = 1;
$_SERVER['APP_SECRET'] = '67d829bf61dc5f87a73fd814e2c9f629';
}

...

//----------- hack end ------------

// The check is to ensure we don't use .env in production
if (!isset($_SERVER['APP_ENV'])) {
(new Dotenv())->load(__DIR__.'/../.env');
}

if ($_SERVER['APP_DEBUG'] ?? ('prod' !== ($_SERVER['APP_ENV'] ?? 'dev'))) {
umask(0000);

Debug::enable();
}

// Request::setTrustedProxies(['0.0.0.0/0'], Request::HEADER_FORWARDED);

$kernel = new Kernel($_SERVER['APP_ENV'] ?? 'dev', $_SERVER['APP_DEBUG'] ?? ('prod' !== ($_SERVER['APP_ENV'] ?? 'dev')));
$request = Request::createFromGlobals();
$response = $kernel->handle($request);
$response->send();
$kernel->terminate($request, $response);


and I have three new environmets under 'config/packages/*' including the configuration for database and email.

Is this the right way? Maybe some others also have this problem. I just tested it under dev1, it seems to be running.

2 Answers
2

Why not just use environment variables?

https://symfony.com/doc/current/configuration/external_parameters.html

currently I think the best solution is to remove dotenv
composer remove symfony/apache-pack and to add a require
in public/index.php and bin/console

composer remove symfony/apache-pack

public/index.php

bin/console

use AppKernel;
use SymfonyComponentDebugDebug;
use SymfonyComponentDotenvDotenv;
use SymfonyComponentHttpFoundationRequest;

require __DIR__.'/../env.php';
require __DIR__.'/../vendor/autoload.php';

// The check is to ensure we don't use .env in production
if (!isset($_SERVER['APP_ENV'])) {
(new Dotenv())->load(__DIR__.'/../.env');
}
...


in this env.php I can declare all server vars for the environments

env.php

$_SERVER['APP_ENV'] = 'xxx';
$_SERVER['MAILER_URL'] = 'null://localhost';
$_SERVER['APP_SECRET'] = '425017d316ee2a08e54c6f2bfc59ff8d';
$_SERVER['DATABASE_URL'] = 'xxx';


I think this is a nice and fast solution. (if php is not installed someday,
the apache server will not send a file with all configs ;))

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