Update 01-Cloud-Foundry-Overview.md

djitz · Nov 18, 2017 · 832e44d · 832e44d
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@@ -110,6 +110,7 @@ Treat logs as event streams
 Run admin/management tasks as one-off processes
 
 - Why does Cloud Foundry rely on environment-variables?
+> Environment variables are the means by which the Cloud Foundry runtime communicates with a deployed application about its environment.
 
 - Can you manage environment-variables manually? If so how?
   * `cf set-env my-app my-variable_name my-variable_value`