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content/en/docs/tasks/inject-data-application/define-environment-variable-container.md

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 title: Define Environment Variables for a Container
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 This page shows how to define environment variables for a container
 in a Kubernetes Pod.
 
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 {{< include "task-tutorial-prereqs.md" >}}
 
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 ## Define an environment variable for a container
 
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 Upon creation, the command `echo Warm greetings to The Most Honorable Kubernetes` is run on the container.
 
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 * Learn more about [environment variables](/docs/tasks/inject-data-application/environment-variable-expose-pod-information/).
 * Learn about [using secrets as environment variables](/docs/user-guide/secrets/#using-secrets-as-environment-variables).
 * See [EnvVarSource](/docs/reference/generated/kubernetes-api/{{< param "version" >}}/#envvarsource-v1-core).
 
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