From 4d463d7c97c64eabb1ff2fe745409e2297386b5e Mon Sep 17 00:00:00 2001 From: Maria Bermudez Date: Mon, 18 Mar 2019 12:01:28 -0700 Subject: [PATCH] Link to FROM and ARG interaction section --- compose/compose-file/index.md | 1 + 1 file changed, 1 insertion(+) diff --git a/compose/compose-file/index.md b/compose/compose-file/index.md index eb67687a9c..1f46f2e6ff 100644 --- a/compose/compose-file/index.md +++ b/compose/compose-file/index.md @@ -270,6 +270,7 @@ or a list: > **Note**: In your Dockerfile, if you specify `ARG` before the `FROM` instruction, > `ARG` is not available in the build instructions under `FROM`. > If you need an argument to be available in both places, also specify it under the `FROM` instruction. +> See [Understand how ARGS and FROM interact](/engine/reference/builder/#understand-how-arg-and-from-interact) for usage details. You can omit the value when specifying a build argument, in which case its value at build time is the value in the environment where Compose is running.