From 022d339ef69b0f32ecfb011bc3d7bd36d20f41c3 Mon Sep 17 00:00:00 2001
From: Manuel Weberndorfer <manuel.weberndorfer@id.ethz.ch>
Date: Tue, 11 May 2021 09:35:02 +0000
Subject: [PATCH] set environment variables for apt-get install

- fixes build of image in CI (tzdata)
---
 docker/Dockerfile | 7 ++++---
 1 file changed, 4 insertions(+), 3 deletions(-)

diff --git a/docker/Dockerfile b/docker/Dockerfile
index 67a54078..855154e8 100644
--- a/docker/Dockerfile
+++ b/docker/Dockerfile
@@ -14,11 +14,12 @@
 # limitations under the License.
 
 ARG BASE_IMAGE=ubuntu:focal
-ARG DEBIAN_FRONTEND=noninteractive
-
 FROM $BASE_IMAGE
 
-RUN apt-get update && apt-get install -y \
+RUN apt-get update && \
+        DEBIAN_FRONTEND="noninteractive" \
+        TZ="Europe/Zurich" \
+        apt-get install -y \
         clang-format \
         cmake \
         g++ \
-- 
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