website/content/en/docs/reference/glossary/sidecar-container.md

title	id	date	full_link	short_description	full_link	tags
Sidecar Container	sidecar-container	2018-04-12		An auxilliary container that stays running throughout the lifecycle of a Pod.	/docs/concepts/workloads/pods/sidecar-containers/	fundamental

One or more {{< glossary_tooltip text="containers" term_id="container" >}} that are typically started before any app containers run.

Sidecar containers are like regular app containers, but with a different purpose: the sidecar provides a Pod-local service to the main app container. Unlike {{< glossary_tooltip text="init containers" term_id="init-container" >}}, sidecar containers continue running after Pod startup.

Read Sidecar containers for more information.