--- title: Container Environment Variables id: container-env-variables date: 2018-04-12 full_link: /docs/concepts/containers/container-environment-variables.md short_description: > Container environment variables are name=value pairs that provide useful information into containers running in a Pod. aka: tags: - fundamental --- Container environment variables are name=value pairs that provide useful information into containers running in a Pod. Container environment variables provide information that is required by the running containerized applications along with information about important resources to the {{< glossary_tooltip text="Containers" term_id="container" >}}. For example, file system details, information about the container itself, and other cluster resources such as service endpoints.