fix health check and skip not needed tasks

reflex/app.py

@@ -1356,20 +1356,22 @@ async def health() -> JSONResponse:
     health_status = {"status": True}
     status_code = 200
 
-    db_status, redis_status = await asyncio.gather(
-        get_db_status(), prerequisites.get_redis_status()
-    )
+    tasks = []
 
-    health_status["db"] = db_status
+    if get_config().db_url:
+        tasks.append(get_db_status())
+    if get_config().redis_url:
+        tasks.append(prerequisites.get_redis_status())
 
-    if redis_status is None:
+    results = await asyncio.gather(*tasks)
+
+    for result in results:
+        health_status |= result
+
+    if "redis" in health_status and health_status["redis"] is None:
         health_status["redis"] = False
-    else:
-        health_status["redis"] = redis_status
 
-    if not health_status["db"] or (
-        not health_status["redis"] and redis_status is not None
-    ):
+    if not all(health_status.values()):
         health_status["status"] = False
         status_code = 503
 

reflex/model.py

@@ -141,15 +141,13 @@ def get_async_engine(url: str | None) -> sqlalchemy.ext.asyncio.AsyncEngine:
     return _ASYNC_ENGINE[url]
 
 
-async def get_db_status() -> bool:
+async def get_db_status() -> dict[str, bool]:
     """Checks the status of the database connection.
 
     Attempts to connect to the database and execute a simple query to verify connectivity.
 
     Returns:
-        bool: The status of the database connection:
-            - True: The database is accessible.
-            - False: The database is not accessible.
+        The status of the database connection.
     """
     status = True
     try:
@@ -159,7 +157,7 @@ async def get_db_status() -> bool:
     except sqlalchemy.exc.OperationalError:
         status = False
 
-    return status
+    return {"db": status}
 
 
 SQLModelOrSqlAlchemy = Union[

reflex/utils/prerequisites.py

@@ -372,16 +372,13 @@ def parse_redis_url() -> str | dict | None:
     return config.redis_url
 
 
-async def get_redis_status() -> bool | None:
+async def get_redis_status() -> dict[str, bool | None]:
     """Checks the status of the Redis connection.
 
     Attempts to connect to Redis and send a ping command to verify connectivity.
 
     Returns:
-        bool or None: The status of the Redis connection:
-            - True: Redis is accessible and responding.
-            - False: Redis is not accessible due to a connection error.
-            - None: Redis not used i.e redis_url is not set in rxconfig.
+        The status of the Redis connection.
     """
     try:
         status = True
@@ -393,7 +390,7 @@ async def get_redis_status() -> bool | None:
     except exceptions.RedisError:
         status = False
 
-    return status
+    return {"redis": status}
 
 
 def validate_app_name(app_name: str | None = None) -> str: