Add timeout parameter for database connection

app/ServiceProvider/DatabaseProvider.php

@@ -136,6 +136,7 @@ class DatabaseProvider implements ServiceProviderInterface
             'ssl_ca'   => DB_SSL_CA,
             'ssl_cert' => DB_SSL_CERT,
             'verify_server_cert' => DB_VERIFY_SERVER_CERT,
+            'timeout'  => DB_TIMEOUT,
         ));
     }
 
@@ -156,6 +157,7 @@ class DatabaseProvider implements ServiceProviderInterface
             'password' => DB_PASSWORD,
             'database' => DB_NAME,
             'port'     => DB_PORT,
+            'timeout'  => DB_TIMEOUT,
         ));
     }
 }

app/constants.php

@@ -54,6 +54,7 @@ defined('DB_SSL_KEY') or define('DB_SSL_KEY', null);
 defined('DB_SSL_CERT') or define('DB_SSL_CERT', null);
 defined('DB_SSL_CA') or define('DB_SSL_CA', null);
 defined('DB_VERIFY_SERVER_CERT') or define('DB_VERIFY_SERVER_CERT', null);
+defined('DB_TIMEOUT') or define('DB_TIMEOUT', null);
 
 // Database backend group provider
 defined('DB_GROUP_PROVIDER') or define('DB_GROUP_PROVIDER', true);