Merge pull request #704 from mbentley/add-upgrade-port

Added upgrade port for beta 6.1+ & old entrypoint cleanup

Author: mbentley

README.md

@@ -382,6 +382,7 @@ The Helm charts are published to [mbentley/omada-controller-helm](https://hub.do
 | `SSL_KEY_NAME` | `tls.key` | _any_ | Name of the private cert mounted to `/cert`; see [Custom Certificates](#custom-certificates) | >= `3.2` |
 | `TLS_1_11_ENABLED` | `false` | `true`, `false` | Re-enables TLS 1.0 & 1.1 if set to `true` | >= `4.1` |
 | `TZ` | `Etc/UTC` | _\<many\>_ | See [Time Zones](#time-zones) for more detail | >= `3.2` |
+| `UPGRADE_HTTPS_PORT` | `8043` | `1024`-`65535` | Dedicated HTTPS port for upgrades, separate from the main Controller port | >= `6.1` |
 
 Documentation on the ports used by the controller can be found in the [TP-Link FAQ](https://support.omadanetworks.com/us/document/13090/).