add usage of PORT environment variable in all apps

Author: Florian Engelhardt

api/app.php

@@ -39,7 +39,7 @@
         );
     });
 });
-$socket = new \React\Socket\Server('0.0.0.0:3000', $loop);
+$socket = new \React\Socket\Server('0.0.0.0:' . getenv('PORT'), $loop);
 $server->listen($socket);
 echo 'Listening on ' . str_replace('tcp:', 'http:', $socket->getAddress()) . PHP_EOL;
 $loop->run();

products/app.php

@@ -22,7 +22,7 @@
         ], JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR)
     );
 });
-$socket = new \React\Socket\Server('0.0.0.0:3000', $loop);
+$socket = new \React\Socket\Server('0.0.0.0:' . getenv('PORT'), $loop);
 $server->listen($socket);
 echo 'Listening on ' . str_replace('tcp:', 'http:', $socket->getAddress()) . PHP_EOL;
 $loop->run();

reviews/app.php

@@ -24,7 +24,7 @@
         ], JSON_PRETTY_PRINT | JSON_THROW_ON_ERROR)
     );
 });
-$socket = new \React\Socket\Server('0.0.0.0:3000', $loop);
+$socket = new \React\Socket\Server('0.0.0.0:' . getenv('PORT'), $loop);
 $server->listen($socket);
 echo 'Listening on ' . str_replace('tcp:', 'http:', $socket->getAddress()) . PHP_EOL;
 $loop->run();