Add Redis URL configuration option

src/backend/langflow/services/cache/factory.py

@@ -22,6 +22,7 @@ class CacheServiceFactory(ServiceFactory):
                 host=settings_service.settings.REDIS_HOST,
                 port=settings_service.settings.REDIS_PORT,
                 db=settings_service.settings.REDIS_DB,
+                url=settings_service.settings.REDIS_URL,
                 expiration_time=settings_service.settings.REDIS_CACHE_EXPIRE,
             )
             if redis_cache.is_connected():

src/backend/langflow/services/cache/service.py

@@ -1,14 +1,13 @@
+import pickle
 import threading
 import time
 from collections import OrderedDict
-from langflow.services.base import Service
-
-from langflow.services.cache.base import BaseCacheService
-
-import pickle
 
 from loguru import logger
 
+from langflow.services.base import Service
+from langflow.services.cache.base import BaseCacheService
+
 
 class InMemoryCache(BaseCacheService, Service):
 
@@ -204,7 +203,7 @@ class RedisCache(BaseCacheService, Service):
         b = cache["b"]
     """
 
-    def __init__(self, host="localhost", port=6379, db=0, expiration_time=60 * 60):
+    def __init__(self, host="localhost", port=6379, db=0, url=None, expiration_time=60 * 60):
         """
         Initialize a new RedisCache instance.
 
@@ -226,7 +225,10 @@ class RedisCache(BaseCacheService, Service):
             "RedisCache is an experimental feature and may not work as expected."
             " Please report any issues to our GitHub repository."
         )
-        self._client = redis.StrictRedis(host=host, port=port, db=db)
+        if url:
+            self._client = redis.StrictRedis.from_url(url)
+        else:
+            self._client = redis.StrictRedis(host=host, port=port, db=db)
         self.expiration_time = expiration_time
 
     # check connection

src/backend/langflow/services/settings/base.py

@@ -47,6 +47,7 @@ class Settings(BaseSettings):
     REDIS_HOST: str = "localhost"
     REDIS_PORT: int = 6379
     REDIS_DB: int = 0
+    REDIS_URL: Optional[str] = None
     REDIS_CACHE_EXPIRE: int = 3600
 
     # PLUGIN_DIR: Optional[str] = None