---
title: "What causes incorrect environment variable handling in a .NET container?"  
description: "What causes incorrect environment variable handling in a .NET container?"  
author: "Rana Sunny"  
published: 2026-09-21  
updated: 2026-09-21  
canonical: https://answers.mindstick.com/qa/117255/what-causes-incorrect-environment-variable-handling-in-a-net-container  
category: "Deployment"  
tags: ["docker", "DevOps", "deployment"]  
reading_time: 1 minute  

---

# What causes incorrect environment variable handling in a .NET container?

You set an [environment variable](https://www.mindstick.com/blog/10970/how-to-setup-environment-variable) in your Dockerfile, but the app reads it as null inside the running container. Most of the time, the variable was never actually exported to the process environment.


---

Original Source: https://answers.mindstick.com/qa/117255/what-causes-incorrect-environment-variable-handling-in-a-net-container

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