For those of you like me who want to explicitly set the variable without
relying on which of the two Docker images with the same tag you’re pulling
down, and you’re using a Dockerfile to add on to make your own Solr Docker
image, add these lines:
# Add option to mitigate log4j security vulnerab
Apache Solr's Docker images were updated some hours ago with a simple
remediation to avoid the Log4j 2 vulnerability[1] that many of you are
becoming aware of -- Log4j 2 CVE-2021-44228.
Just a "docker pull solr:tagVersionYouUse" (e.g. 8.11 or whatever) will
update it for you. The remediation in t