diff --git a/.gitignore b/.gitignore
index 9fde038..3ca449e 100644
--- a/.gitignore
+++ b/.gitignore
@@ -6,4 +6,5 @@ test.php
 /.php-cs-fixer.cache
 /.phpunit.cache/
 Makefile
-coverage.xml
\ No newline at end of file
+coverage.xml
+composer.lock
\ No newline at end of file
diff --git a/compose.yaml b/compose.yaml
index 5aa180b..def6ca9 100644
--- a/compose.yaml
+++ b/compose.yaml
@@ -17,6 +17,7 @@ services:
     tty: true
     environment:
       REDIS_HOST: redis
+      REDIS_PORT: 6379
       XDEBUG_MODE: 'coverage'
 
 volumes:
diff --git a/docs/installation.md b/docs/installation.md
index 5fe0383..e7e6db4 100644
--- a/docs/installation.md
+++ b/docs/installation.md
@@ -35,3 +35,12 @@ Or add the library to your `composer.json` file:
 
 Then run `composer update` to install the library.
 
+
+### Redis configuration
+
+if you want to inject a particular configuration for Redis, you can add the following environment variables to your .env file (all optional)
+
+      REDIS_HOST: localhost
+      REDIS_PORT: 6379
+      REDIS_USER:
+      REDIS_PASSWORD:
diff --git a/src/Client/PredisClient.php b/src/Client/PredisClient.php
index 63eeb16..81dc2a1 100644
--- a/src/Client/PredisClient.php
+++ b/src/Client/PredisClient.php
@@ -17,9 +17,25 @@ final class PredisClient implements RedisClientInterface
 {
     public function __construct(protected ?Predis $redis = null)
     {
-        $this->redis = $redis ?? new Predis(
-            array_key_exists('REDIS_HOST', $_SERVER) ? ['host' => $_SERVER['REDIS_HOST']] : null,
-        );
+        $redisConfig = [];
+
+        if (array_key_exists('REDIS_HOST', $_SERVER)) {
+            $redisConfig['host'] = $_SERVER['REDIS_HOST'];
+        }
+
+        if (array_key_exists('REDIS_PORT', $_SERVER)) {
+            $redisConfig['port'] = $_SERVER['REDIS_PORT'];
+        }
+
+        if (array_key_exists('REDIS_USER', $_SERVER)) {
+            $redisConfig['parameters']['username'] = $_SERVER['REDIS_USER'];
+        }
+
+        if (array_key_exists('REDIS_PASSWORD', $_SERVER)) {
+            $redisConfig['parameters']['password'] = $_SERVER['REDIS_PASSWORD'];
+        }
+
+        $this->redis = $redis ?? new Predis($redisConfig !== [] ? $redisConfig : null);
     }
 
     public function createPersistentConnection(?string $host = null, ?int $port = null, ?int $timeout = 0): void
diff --git a/src/Client/RedisClient.php b/src/Client/RedisClient.php
index 739aa0b..a675a26 100644
--- a/src/Client/RedisClient.php
+++ b/src/Client/RedisClient.php
@@ -15,7 +15,21 @@ final class RedisClient implements RedisClientInterface
 {
     public function __construct(protected ?\Redis $redis = null)
     {
-        $this->redis = $redis ?? new \Redis(array_key_exists('REDIS_HOST', $_SERVER) ? ['host' => $_SERVER['REDIS_HOST']] : null);
+        $redisConfig = [];
+
+        if (array_key_exists('REDIS_HOST', $_SERVER)) {
+            $redisConfig['host'] = $_SERVER['REDIS_HOST'];
+        }
+
+        if (array_key_exists('REDIS_PORT', $_SERVER)) {
+            $redisConfig['port'] = (int) $_SERVER['REDIS_PORT'];
+        }
+
+        if (array_key_exists('REDIS_USER', $_SERVER) && array_key_exists('REDIS_PASSWORD', $_SERVER)) {
+            $redisConfig['auth'] = [$_SERVER['REDIS_USER'], $_SERVER['REDIS_PASSWORD']];
+        }
+
+        $this->redis = $redis ?? new \Redis($redisConfig !== [] ? $redisConfig : null);
     }
 
     /**
diff --git a/src/Command/GenerateSchema.php b/src/Command/GenerateSchema.php
index fef0fb3..bf22fae 100644
--- a/src/Command/GenerateSchema.php
+++ b/src/Command/GenerateSchema.php
@@ -21,6 +21,7 @@ public static function generateSchema(string $dir): void
         $redisOm = new RedisObjectManager(
             getenv('REDIS_CLIENT') === 'predis' ? new PredisClient() : new RedisClient(),
         );
+
         $rii = new \RecursiveIteratorIterator(new \RecursiveDirectoryIterator($dir));
         $phpFiles = [];