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-rw-r--r--osmo-sip-latest/Dockerfile3
1 files changed, 2 insertions, 1 deletions
diff --git a/osmo-sip-latest/Dockerfile b/osmo-sip-latest/Dockerfile
index cdf1315..a310ecd 100644
--- a/osmo-sip-latest/Dockerfile
+++ b/osmo-sip-latest/Dockerfile
@@ -1,5 +1,6 @@
ARG REGISTRY=docker.io
-FROM ${REGISTRY}/debian:stretch
+ARG UPSTREAM_DISTRO=debian:stretch
+FROM ${REGISTRY}/${UPSTREAM_DISTRO}
MAINTAINER Harald Welte <laforge@gnumonks.org>