fix: Tests and postgres image

.github/workflows/php.yml

@@ -20,7 +20,7 @@ jobs:
       uses: shivammathur/setup-php@v2
       with:
         php-version: '8.1'
-        extensions: redis
+        extensions: redis, pgsql
 
     - name: Install dependencies
       run: composer install --prefer-dist --no-progress

src/Container/PostgresContainer.php

@@ -4,12 +4,15 @@ declare(strict_types=1);
 
 namespace Testcontainer\Container;
 
+use Testcontainer\Wait\WaitForExec;
+
 class PostgresContainer extends Container
 {
     private function __construct(string $version, string $rootPassword)
     {
-        parent::__construct('mariadb:' . $version);
+        parent::__construct('postgres:' . $version);
         $this->withEnvironment('POSTGRES_PASSWORD', $rootPassword);
+        $this->withWait(new WaitForExec(["pg_isready", "-h", "127.0.0.1"]));
     }
 
     public static function make(string $version = 'latest', string $mysqlRootPassword = 'root'): self

tests/Integration/ContainerTest.php

@@ -101,11 +101,12 @@ class ContainerTest extends TestCase
     {
         $container = PostgresContainer::make('latest', 'test')
             ->withPostgresUser('test')
-            ->withPostgresDatabase('foo');
+            ->withPostgresDatabase('foo')
+            ->run();
 
 
         $pdo = new \PDO(
-            sprintf('postgres:host=%s;port=3306', $container->getAddress()),
+            sprintf('postgres:host=%s;port=5432', $container->getAddress()),
             'test',
             'test',
         );