---
title: SidecarContainers
content_type: feature_gate
_build:
  list: never
  render: false

stages:
  - stage: alpha 
    defaultValue: false
    fromVersion: "1.28"
    toVersion: "1.28"
  - stage: beta
    defaultValue: true
    fromVersion: "1.29"
---
Allow setting the `restartPolicy` of an init container to
`Always` so that the container becomes a sidecar container (restartable init containers).
See [Sidecar containers and restartPolicy](/docs/concepts/workloads/pods/sidecar-containers/)
for more details.