Cloud Native Technology Community

Sep 5, 2023 · Cloud Native

Why Kubernetes 1.28 Finally Makes Sidecars First‑Class Citizens

This guide explains what sidecars are in Kubernetes, why they matter, the challenges they introduce, and how the new sidecar KEP in Kubernetes 1.28—introducing an Always RestartPolicy for init containers—formalizes sidecars as first‑class API objects, reshaping service‑mesh implementations and operational practices.