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docs: document comma-separated FRONTEND_URL support

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Clarifies that FRONTEND_URL accepts multiple comma-separated URLs
for accessing ExcaliDash from different addresses (e.g., localhost
and LAN IP simultaneously).
This commit is contained in:
Zimeng Xiong
2026-02-01 16:00:44 -08:00
parent 81918b00cd
commit 88ed4360c0
1 changed files with 4 additions and 1 deletions
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README.md
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@@ -120,14 +120,17 @@ docker compose up -d
When running ExcaliDash behind Traefik, Nginx, or another reverse proxy, configure both containers so that API + WebSocket calls resolve correctly: When running ExcaliDash behind Traefik, Nginx, or another reverse proxy, configure both containers so that API + WebSocket calls resolve correctly:
- `FRONTEND_URL` (backend) must match the public URL that users hit (e.g. `https://excalidash.example.com`). This controls CORS and Socket.IO origin checks. - `FRONTEND_URL` (backend) must match the public URL that users hit (e.g. `https://excalidash.example.com`). This controls CORS and Socket.IO origin checks. **Supports multiple comma-separated URLs** for accessing from different addresses.
- `BACKEND_URL` (frontend) tells the Nginx container how to reach the backend from inside Docker/Kubernetes. Override it if your reverse proxy exposes the backend under a different hostname. - `BACKEND_URL` (frontend) tells the Nginx container how to reach the backend from inside Docker/Kubernetes. Override it if your reverse proxy exposes the backend under a different hostname.
```yaml ```yaml
# docker-compose.yml example # docker-compose.yml example
backend: backend:
environment: environment:
# Single URL
- FRONTEND_URL=https://excalidash.example.com - FRONTEND_URL=https://excalidash.example.com
# Or multiple URLs (comma-separated) for local + network access
# - FRONTEND_URL=http://localhost:6767,http://192.168.1.100:6767,http://nas.local:6767
frontend: frontend:
environment: environment:
# For standard Docker Compose (default) # For standard Docker Compose (default)