brett.tasker

^ That should have the Dockerfile and install files you are looking for

brett.tasker

Do you have all your Environment Variables set to mimic your Live site? (Excluding env type changing to dev)

brett.tasker

I have an old CWP solr image which uses the same version of Solr as CWP (Solr 4) and webdav.

https://hub.docker.com/r/brettt89/silverstripe-solr-cwp

Is that what you are wanting?