Bot Updating Documentation

docs/images/docker-hishtory-server.md

@@ -39,6 +39,10 @@ After you have installed hishtory on your machine, add `export HISHTORY_SERVER=h
 
 See the [project readme](https://github.com/ddworken/hishtory/blob/master/README.md) for more details.
 
+## Read-Only Operation
+
+This image can be run with a read-only container filesystem. For details please [read the docs](https://docs.linuxserver.io/misc/read-only/).
+
 ## Usage
 
 To help you get started creating a container from this image you can either use docker-compose or the docker cli.