Environment variable BASE_URL has no effect

[errestan]

Environment

Self-Hosted (Docker)

System

Ubuntu: 22.04 Docker: 24.0.7 Docker Compose: 1.29.2

Version

2.1.1

Describe the problem

The BASE_URL environment variable has no effect. I'm attempting to run Dashy at: http://localhost:4000/dashy but while the initial page starts loading it is unable to retrieve resources because the URLs used for CSS and scripts do not contain the sub-directory.

My stripped down Docker compose file is as follows:

---
version: '3.8'

services:
  app:
    image: lissy93/dashy
    ports:
      - 4000:80
    environment:
      - BASE_URL=/dashy

When access via: http://localhost:4000/ everything works as expected. But If accessed via http://localhost:4000/dashy I get a 404. If I add labels to use Traefik as a reverse proxy I can then reach the page but the page can not load CSS etc.

Apologies If I've missed something obvious. I've read through a good amount of the documentation and read a few bug reports of people trying to do something similar but I've been unable to solve this issue.

Additional info

No response

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[CrazyWolf13]

Already know, Please look through the issues and knows problems before submitting a issue.

Duplicate of #1036 Please close this.