From 4a6dca811cb7fa1a98879c188cb5ef80057fce36 Mon Sep 17 00:00:00 2001
From: Marvin Zhang <tikazyq@gmail.com>
Date: Thu, 6 Jun 2019 07:57:32 +0800
Subject: [PATCH] updated Dockerfile

---
 Dockerfile | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/Dockerfile b/Dockerfile
index ef38e1b5..2987261c 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -2,7 +2,7 @@
 FROM ubuntu:latest
 
 # set as non-interactive
-RUN DEBIAN_FRONTEND=noninteractive
+ENV DEBIAN_FRONTEND noninteractive
 
 # source files
 ADD . /opt/crawlab