Add the build argument to the Dockerfile

jfahrer · jfahrer · commit 775e2ce6767c · 2018-05-04T17:32:29.000-07:00
[refs #de2a989cd7db]
diff --git a/build_args/Dockerfile b/build_args/Dockerfile
@@ -1,6 +1,7 @@
 FROM alpine:3.6
 
-ENV NAME=World
+ARG NAME=Docker
+ENV NAME=$NAME
 
 COPY greeter.sh /
 
