@@ -1,7 +1,8 @@
-FROM debian:stretch
+FROM debian:buster
-RUN apt-get update
-RUN apt-get -y install openvpn
+ENV DEBIAN_FRONTEND noninteractive
+
+RUN apt-get update && apt-get -y install openvpn && apt-get clean
ADD openvpn_init.sh /sbin/
RUN chmod +x /sbin/openvpn_init.sh
