I was hoping that I’d get more community feedback, but overall based on my research, the best option was to create a separate image of my application using the same code based, specifically tailored to run wp-cli, using the built-in crond service to ensure that the crons were running according to a proper cron schedule. I then deployed this image as a separate deployment to my Kubernetes cluster, using previously configured persistent volume claims to ensure that directories such as the uploads were synchronized correctly between all instances (pods) of the web application AND the cron instance.
It is working quite well, but I do not know if there is a smarter / better approach which is more inline with best practices and standards.
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