From a85dd49389cf7b6dd7fdc116a3b8f9dbef4f8fbc Mon Sep 17 00:00:00 2001
From: "XU, Nuo" <49825669+XU-Nuo@users.noreply.github.com>
Date: Wed, 30 Jun 2021 15:03:53 +0800
Subject: [PATCH] Update key server for r-project

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

diff --git a/Dockerfile b/Dockerfile
index 28101fb..a375738 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -19,7 +19,7 @@ RUN apt update && apt install -y --force-yes \
     ca-certificates \
     software-properties-common \
     gnupg2
-RUN apt-key adv --keyserver keys.gnupg.net --recv-key 'E19F5F87128899B192B1A2C2AD5F960A256A04AF'
+RUN apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv-key 'E19F5F87128899B192B1A2C2AD5F960A256A04AF'
 RUN add-apt-repository 'deb http://cloud.r-project.org/bin/linux/debian buster-cran40/'
 RUN apt update && apt install -y --force-yes \
     autoconf \