more cleanup

README.md

@@ -15,6 +15,7 @@ if you would like Docker to capture logs.
 ```bash
 docker run -d \
     --name duoauthproxy \
+    -p 1812:1812 \
     -v /path/to/authproxy.cfg:/app/conf/authproxy.cfg \
     --restart unless-stopped \
     minimages/duoauthproxy