fix: update postgres image version to 18 and redis image to 8 with new command

swarm/docmost.yml

@@ -39,7 +39,7 @@ services:
         - traefik.http.services.docmost_service.loadbalancer.server.port=3000
 
   # db:
-  #   image: postgres:16-alpine
+  #   image: postgres:18-alpine
   #   environment:
   #     POSTGRES_DB: docmost
   #     POSTGRES_USER: ${POSTGRES_USER}
@@ -51,8 +51,9 @@ services:
   #     - net
 
   redis:
-    image: redis:7.2-alpine
+    image: redis:8
     hostname: redis
+    command: ["redis-server", "--appendonly", "yes", "--maxmemory-policy", "noeviction"]
     restart: unless-stopped
     volumes:
       - docmost_redis_data:/data