dockerfile: set noninteractive

This stops tzdata asking you to enter timezones and things

1 files changed, 2 insertions, 0 deletions

diff --git a/Dockerfile b/Dockerfile
index 4053f36b..020b2eef 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,5 +1,7 @@
 FROM ubuntu:rolling
 
+ENV DEBIAN_FRONTEND noninteractive
+
 RUN apt-get -y update && apt-get install -y \
     gcc \
     git \