Map demo media to filesystem

docker-compose.demo.yml

@@ -39,7 +39,7 @@ services:
     volumes:
       - ./nginx.conf:/etc/nginx/nginx.conf:ro
       - demo_static:/home/app/web/staticfiles
-      - demo_media:/home/app/web/mediafiles
+      - ./demo_media:/home/app/web/mediafiles
     ports:
       - 1337:80
     depends_on:
@@ -57,7 +57,6 @@ services:
 
 volumes:
   demo_static:
-  demo_media:
   demo_opensearch:
 
 networks: