nailed it

docker-compose.yml

@@ -14,12 +14,16 @@ services:
       - ./matterbridge.toml:/app/matterbridge.toml:ro,z
       # Optional: Mount a directory for logs
       - ./logs:/app/logs:z
+      # Mount data directory for persistent token cache
+      - ./data:/app/data:z
     # If you need to expose any ports (e.g., for API or webhooks)
     # ports:
     #   - "4242:4242"
     environment:
       # Optional: Set timezone
       - TZ=America/New_York
+      # Data directory for persistent storage (token cache, etc.)
+      - MATTERBRIDGE_DATA_DIR=/app/data
     # Optional: Set memory limits (much lower now without browser!)
     # mem_limit: 128m
     # mem_reservation: 64m