On Red Hat Enterprise Linux 7, can ARG be mentioned before FROM in Dockerfile ?
Issue
- On Red Hat Enterprise Linux 7, can ARG be mentioned before FROM in Dockerfile ?
Example Dockerfile
ARG CODE_VERSION=7.4
FROM registry.access.redhat.com/rhel7:${CODE_VERSION}
Environment
- Red Hat Enterprise Linux 7
- docker-1.13.1-104.git4ef4b30.el7.x86_64
- podman-1.4.4-4.el7.x86_64
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