Emacs syntax highlighting

Can someone help me? My emacs is not showing syntax highlighting for Ocaml
code. I have two emacs setups, one under WSL (windows subsystem for linux)
and one under docker. Both of them aren't showing any highlighting. You can
pull my emacs docker instance from:

https://hub.docker.com/repository/docker/kennethadammiller/emacs/general

Someone please help me to get syntax highlighting back. I've tried
installing caml mode, but that didn't work. Usually when I set up a new
emacs installation, I follow this:
https://github.com/BinaryAnalysisPlatform/bap/wiki/Emacs,

And in fact, it's already in my emacs. You can grab a local copy of my
.emacs file from:

https://github.com/KennethAdamMiller/dotEmacs

I usually run my docker instance and pass in the volumes so emacs sees my
.emacs

docker run -ti -v /mnt/c/Users/kenne/workspace/dotEmacs/.emacs:/root/.emacs
-v /mnt/c/Users/kenne/workspace/:/root/workspace
kennethadammiller/emacs:latest /bin/bash

So this should duplicate the issue with the syntax highlighting exactly,
just notice when you open an ml file that the syntax isn't highlighted.