Docker MCQ : 60

Q. If you set an environment variable inside a Dockerfile using ENV VAR=britq, how can you override it at runtime?

You cannot override it.
Modify the running container with docker exec.
Use docker run -e VAR=updated-britq
Use docker run --env-file VAR=updated-britq

Docker MCQ : 60

Q. If you set an environment variable inside a Dockerfile using ENV VAR=britq, how can you override it at runtime?

Contributed by: admin