To run CKAN on Docker using the official instructions, one needs a Solr container. The official Solr image provided by CKAN is currently outdated and doesn't work with the latest version of CKAN due to a Solr schema version mismatch.
The image provided here can be used with the official instructions. Just use
cygri/solr instead of
Note that I maintain an alternative image for CKAN itself as well at