Fix redis ssl issues

shared/leader_election/mixin.py

@@ -63,13 +63,20 @@ class SchedulerLeaderMixin:
 
         Only the leader will start the scheduler.
         """
+        import ssl
         from apscheduler.schedulers.asyncio import AsyncIOScheduler
         from shared.leader_election.service import LeaderElectionService
         import redis.asyncio as redis
 
         try:
-            # Create Redis connection
-            self._redis_client = redis.from_url(self._redis_url, decode_responses=False)
+            # Create Redis connection with proper SSL handling for self-signed certificates
+            connection_kwargs = {"decode_responses": False}
+
+            # Handle SSL/TLS for rediss:// URLs (self-signed certificates)
+            if self._redis_url and self._redis_url.startswith("rediss://"):
+                connection_kwargs["ssl_cert_reqs"] = ssl.CERT_NONE
+
+            self._redis_client = redis.from_url(self._redis_url, **connection_kwargs)
             await self._redis_client.ping()
 
             # Create scheduler (but don't start it yet)