updated django volume name

deploy/prod/contestsuite/docker-stack.yml

@@ -67,7 +67,7 @@ services:
             # Analytics
             GTAG: /run/secrets/contestsuite_gtag # Google site tag
         volumes:
-            - django_app:/app/media
+            - django_media:/app/media
             - django_static:/app/static
         networks:
             - nginx-backend
@@ -150,7 +150,7 @@ services:
             ANNOUNCEMENT_WEBHOOK_URL: /run/secrets/contestsuite_announcement_channel_url # URL of announcement channel webhook
             BOT_CHANNEL_WEBHOOK_URL: /run/secrets/contestsuite_bot_channel_url # URL of bot control channel webhook
         volumes:
-            - django_app:/app/media
+            - django_media:/app/media
             - django_static:/app/static
         networks:
             - db-backend
@@ -261,7 +261,7 @@ services:
                 failure_action: rollback
     redis:
         image: redis:5-buster
-        command: redis-server --save 600 1 --loglevel warning
+        command: redis-server --save 600 1
         environment:
             TZ: America/New_York
         volumes:
@@ -340,8 +340,8 @@ secrets:
     contestsuite_gtag:
         external: true
 volumes:
-    django_app:
     django_db:
+    django_media:
     django_static:
     flower_static:
     rabbitmq: