Enviroment variables available in multiple containers

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Not sure how I missed this topic in my search, but seems like this isn’t possible and requires some interesting workarounds

How to securely set environment variables for Postgres Image?

Currently, there isn’t a great way to get secrets into Docker containers when using multi-docker builds. As you have discovered, the environment variables are not expanded in the environment section like they are in the auth section - image: example/example:1.2.3 auth: username: $USERNAME password: $PASSWORD The secondary container does not have the environment variables passed in like they are in the primary container. So, as you also discovered, you cannot set these in your Projec…