diff --git a/_data/glossary/container-env-variables.yaml b/_data/glossary/container-env-variables.yaml
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+id: container-env-variables
+name: Container Environment Variables
+full-link: /docs/concepts/containers/container-environment-variables.md
+tags:
+- fundamental
+short-description: >
+  Container environment variables are name/value pairs that provide useful information into containers running in a Pod.
+long-description: >
+  Container environment variables provide information that is required by the running containerized applications along with information about important resources to the [Containers] {% glossary_tooltip text="Containers" term_id="container" %}. For example, file system, information about the container itself and other cluster resources such as service endpoints, etc.