update docs

docs/install/configuration.md

@@ -5,7 +5,7 @@ The configuration is made through environment variables.
 | Variable name     | Description |
 |-------------------|-------------|
 | `JWT_SECRET_KEY`  | The secret key used to sign the authentication token.<br>If you don't provide it, a random secret is generated, invalidating all connections established previously to be closed.<br>A good secret is for example: `openssl rand -base64 48` |
-| `STORAGE_URL`     | It controls whether file upload/download goes through the local proxy or to an external server. It's the full address (protocol, host, port, path) of rmfakecloud **as visible from the tablet**, especially if the host is behind a reverse proxy or in a container. Example: `http://192.168.2.3:3000` (default: `https://local.appspot.com`) |
+| `STORAGE_URL`     | It controls whether file upload/download goes through the local proxy or to an external server. It's the full address (protocol, host, port, path) of rmfakecloud **as visible from the tablet**, especially if the host is behind a reverse proxy or in a container. Example: `http://192.168.2.3:3000` (default: `https://local.appspot.com`), on SW 3.15 only https without port will work |
 | `PORT`            | listening port number (default: 3000) |
 | `DATADIR`         | Set data/files directory (default: `data/` in current dir) |
 | `LOGLEVEL`        | Set the log verbosity. Default is **info**, set to **debug** for more logging or **warn**, **error** for less |