Update docker-install.sh

change Portainer to port 9443
fixes https://github.com/tteck/Proxmox/issues/1763

install/docker-install.sh

@@ -50,7 +50,7 @@ if [[ ${prompt,,} =~ ^(y|yes)$ ]]; then
   docker volume create portainer_data >/dev/null
   $STD docker run -d \
     -p 8000:8000 \
-    -p 9000:9000 \
+    -p 9443:9443 \
     --name=portainer \
     --restart=always \
     -v /var/run/docker.sock:/var/run/docker.sock \