From e18d523c8b84ea55d9b7d6856ec81dc87e39b01d Mon Sep 17 00:00:00 2001
From: Markus Frosch <markus.frosch@icinga.com>
Date: Fri, 23 Mar 2018 12:51:52 +0100
Subject: [PATCH] Explicitly disable DEBIAN_FRONTEND

---
 jessie/x86/Dockerfile     | 2 ++
 jessie/x86_64/Dockerfile  | 2 ++
 stretch/x86/Dockerfile    | 2 ++
 stretch/x86_64/Dockerfile | 2 ++
 wheezy/x86/Dockerfile     | 2 ++
 wheezy/x86_64/Dockerfile  | 2 ++
 6 files changed, 12 insertions(+)

diff --git a/jessie/x86/Dockerfile b/jessie/x86/Dockerfile
index 2beb6e9..ca000b3 100644
--- a/jessie/x86/Dockerfile
+++ b/jessie/x86/Dockerfile
@@ -1,5 +1,7 @@
 FROM i386/debian:jessie
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get update \
  && apt-get upgrade -y
 
diff --git a/jessie/x86_64/Dockerfile b/jessie/x86_64/Dockerfile
index a7893b7..8458192 100644
--- a/jessie/x86_64/Dockerfile
+++ b/jessie/x86_64/Dockerfile
@@ -1,5 +1,7 @@
 FROM debian:jessie
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get update \
  && apt-get upgrade -y
 
diff --git a/stretch/x86/Dockerfile b/stretch/x86/Dockerfile
index 876aced..6dbd366 100644
--- a/stretch/x86/Dockerfile
+++ b/stretch/x86/Dockerfile
@@ -1,5 +1,7 @@
 FROM i386/debian:stretch
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get update \
  && apt-get upgrade -y
 
diff --git a/stretch/x86_64/Dockerfile b/stretch/x86_64/Dockerfile
index 727b569..02949e7 100644
--- a/stretch/x86_64/Dockerfile
+++ b/stretch/x86_64/Dockerfile
@@ -1,5 +1,7 @@
 FROM debian:stretch
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get update \
  && apt-get upgrade -y
 
diff --git a/wheezy/x86/Dockerfile b/wheezy/x86/Dockerfile
index de25a5a..15d2c42 100644
--- a/wheezy/x86/Dockerfile
+++ b/wheezy/x86/Dockerfile
@@ -1,5 +1,7 @@
 FROM i386/debian:wheezy
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get update \
  && apt-get upgrade -y
 
diff --git a/wheezy/x86_64/Dockerfile b/wheezy/x86_64/Dockerfile
index 58f4d78..2257210 100644
--- a/wheezy/x86_64/Dockerfile
+++ b/wheezy/x86_64/Dockerfile
@@ -1,5 +1,7 @@
 FROM debian:wheezy
 
+ENV DEBIAN_FRONTEND=noninteractive
+
 RUN apt-get update \
  && apt-get upgrade -y
 
-- 
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