diff --git a/docker-compose.yml b/docker-compose.yml
index 9829fa7..33986f1 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -55,6 +55,11 @@ services:
       - "traefik.http.routers.rtube-hls.entrypoints=web,websecure"
       - "traefik.http.services.rtube-hls.loadbalancer.server.port=8080"
       - "traefik.docker.network=traefik-public"
+      # Wildcard router: any space subdomain routes to this app
+      - "traefik.http.routers.rtube-spaces.rule=HostRegexp(`{space:[a-z0-9-]+}.rtube.online`)"
+      - "traefik.http.routers.rtube-spaces.priority=100"
+      - "traefik.http.routers.rtube-spaces.entrypoints=web"
+      - "traefik.http.routers.rtube-spaces.service=rtube"
     networks:
       - traefik-public
       - rtube-internal