Unless you have DNS configured in kubernetes, software running in container pods need to manually check environment variables in order to talk with a kubernetes service. This makes it possible to do that resolution automatically via glibc nsswitch: https://github.com/stefwalter/nss-kubernetes Here's an example of guestbook that uses this: https://github.com/stefwalter/cockpit/blob/01509004bec3134317dd4344e04bd77e5ff32114/pkg/kubernetes/examples/k8s-guestbook-app.json Stef
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