removed - from the config

Uptime-Kuma/docker-compose-volume.yaml

@@ -3,7 +3,7 @@ services:
     container_name: uptime-kuma
     image: louislam/uptime-kuma:latest
     ports:
-      - ${UPTIME-KUMA_PORT}:3001
+      - ${UPTIMEKUMA_PORT}:3001
     volumes:
       - /var/run/docker.sock:/var/run/docker.sock
       - uptime-kuma:/app/data