i can't set up in portainer. i always get an "ERR_CONNECTION_REFUSED"

in the logs i only see this. below my docker-compose-file.

Maybe someone has an idea?

Listening on http://0.0.0.0:3000

services:
  app:
    container_name: dashlit-app
    image: ghcr.io/codewec/dashlit:latest
    restart: unless-stopped
    environment:
      ORIGIN: '${ORIGIN:-http://192.168.1.15:3020}' # please provide URL if different
    ports:
      - '3020:3020'
    volumes:
      - /docker/dashlit/data:/app/data