From 195a3c830447f5b95b83ff110c3fa9c69eda872d Mon Sep 17 00:00:00 2001
From: Paul-Emmanuel Raoul <skyper@skyplabs.net>
Date: Tue, 27 Nov 2018 11:15:48 +0000
Subject: [PATCH] Add 'DEBIAN_FRONTEND' as 'ARG'

Using 'ARG' instead of 'ENV' allows to define environment variables only
for the build stage. See
https://github.com/moby/moby/issues/4032#issuecomment-34597177.
---
 docker/Dockerfile | 1 +
 1 file changed, 1 insertion(+)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 911afb433..ca8be5c9a 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -3,6 +3,7 @@ FROM debian:jessie-slim
 LABEL MAINTAINER="theonlydoo <theonlydoo@gmail.com>"
 
 ARG RELEASE=1.6
+ARG DEBIAN_FRONTEND=noninteractive
 
 EXPOSE 5000