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Why can't I access my environment variables at build time when building from a Dockerfile on App Platform? Print

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Why can't I access my environment variables at build time when building from a Dockerfile on App Platform?

If you are using a Dockerfile to deploy your app on App Platform, environment variables are only available at build time if you have set them using the --build-arg option in Docker before deploying the app.

For example, to access the variable EXAMPLE=your-value during build time, set it in the image using the docker CLI like this:

docker build --build-arg EXAMPLE=your-value

You cannot use this method to access bindable variables at build time. If you are supplying a Dockerfile, bindable variables are only available at runtime.


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