[Bug]: Running one-shot command inside a container doesn't handle env variables correctly

[maurobender]

Description

I'm trying to run a command that uses interpolation with environment variables in it but the environment variables are not being correctly replaced.

For example if a run the command env I have this output:

As we can see in the image HOSTNAME has the value ec6325b9f736 and PORT the value 3000.

But when I try to use those variables in another command they are printed with a different value or directly undefined (maybe values from the host?):

Minimal Reproduction (if possible, example repository)

• Run the env command as a one-shot command in a container.
• Try using a environment variable in another command and see if the values are the same.

Exception or Error

No response

Version

v4.0.0-beta.276