From 09d6f70b0784c13e0e299434ecf5788ee9eb6cb8 Mon Sep 17 00:00:00 2001
From: Vieno Hakkerinen <vieno@chemnitz.freifunk.net>
Date: Wed, 7 Apr 2021 18:01:56 +0200
Subject: [PATCH]  contrib/Dockerfile: use apt-get instead of apt

* apt is meant for user interactive usage. apt does not guarantee a stable CLI.
* set DEBIAN_FRONTEND=noninteractive to tell apt-get that no user interaction is wanted
---
 contrib/Dockerfile | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/contrib/Dockerfile b/contrib/Dockerfile
index 50d7ff89..3a239c68 100644
--- a/contrib/Dockerfile
+++ b/contrib/Dockerfile
@@ -1,6 +1,7 @@
 FROM debian:buster-slim
 
-RUN apt update && apt install -y --no-install-recommends \
+ARG DEBIAN_FRONTEND=noninteractive
+RUN apt-get update && apt-get install -y --no-install-recommends \
     ca-certificates \
     file \
     git \