Mounting Single File From Configuration Map In Kubernetes/Openshift Pod
Background Sometimes, we need to override a single file in a pod without having to build a new image. There is a technique to do this, so this blog would serve to remind me of the steps involved doing just that. 1. Create A Configuration Map First we need to copy the original file to the notepad. The steps are : yudhi@Yudhis-MacBook-Pro ~ % oc project apifinance Now using project "apifinance" on server "https://lb.osh.telkom.co.id:8443". yudhi@Yudhis-MacBook-Pro ~ % oc get po NAME READY STATUS RESTARTS AGE finance-2-chm5g 1/1 Running 0 211d finance-3-build 0/1 Completed 0 248d financeapi-46-8wmfh 1/1 Running 0 30d proxy-finest-10-1btmq 1/1 Running 0 58d yudhi@Yudhis-MacBook-Pro ~ % oc rsh proxy-finest-10-1btmq sh-4.4$ cd /etc/httpd sh-4.4$ ls conf conf.d conf.modules.d logs modules run state sh-4.4$ cd conf.d sh-4.4$ ls REA