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-rw-r--r--vnc-version/Dockerfile3
1 files changed, 2 insertions, 1 deletions
diff --git a/vnc-version/Dockerfile b/vnc-version/Dockerfile
index 5995142..1abaa00 100644
--- a/vnc-version/Dockerfile
+++ b/vnc-version/Dockerfile
@@ -70,7 +70,8 @@
# VNC Version
# Let's piggyback the other image:
-FROM sickcodes/docker-osx:latest
+ARG BASE_IMAGE=sickcodes/docker-osx:latest
+FROM ${BASE_IMAGE}
MAINTAINER 'https://twitter.com/sickcodes' <https://sick.codes>