fix: add explicit traefik port mapping

docker-compose.yml

@@ -5,10 +5,6 @@ services:
     image: crazymax/spliit:1.15.0
     depends_on:
       - db
-    ports:
-      - target: 3000
-        published: 3000
-        protocol: tcp
     environment:
       - "TZ"
       - "POSTGRES_HOST=db"
@@ -21,6 +17,7 @@ services:
       - "traefik.enable=true"
       - "traefik.http.routers.spliit.rule=Host(`${DC_SPLIIT_HOSTNAME:?}`)"
       - "traefik.http.routers.spliit.entrypoints=websecure"
+      - "traefik.http.services.spliit.loadbalancer.server.port=${DC_SPLIIT_PORT:?}"
     networks:
       - traefik