msporleder

it would be nice to have a purge-by-key box near the purge-by-url and purge-all button also the styling around the "purge all" button has always bothered me :)

https://github.com/apache/solr-operator/blob/630efa053f88333587ca6eeca94887aa2a65f61b/controllers/util/solr_util.go#L1088-L1104 Although this is pretty harmless as noise I'm not sure why this assumption was hard-coded in. Can you consider adding if customOptions.IngressClassName == "nginx" or similar?