docker: use stretch instead of jessie

Signed-off-by: Jean Privat <jean@pryen.org>

diff --git a/misc/docker/Dockerfile b/misc/docker/Dockerfile
index ee34149..3d795c2 100644 (file)
--- a/misc/docker/Dockerfile
+++ b/misc/docker/Dockerfile
@@ -1,6 +1,6 @@
 # This is a basic install of Nit on a debian base.
 
-FROM debian:jessie
+FROM debian:stretch
 MAINTAINER Jean Privat <jean@pryen.org>
 
 # Install dependencies