support/docker: use a fixed Debian snapshot

[coffee/buildroot.git] / support / docker / Dockerfile

diff --git a/support/docker/Dockerfile b/support/docker/Dockerfile
index 49b74b88bd5a2530609666c0c6af16ac8d7c369b..f18d195f377a27e8b8953581b37c1385a94aeaaa 100644 (file)
--- a/support/docker/Dockerfile
+++ b/support/docker/Dockerfile
@@ -3,7 +3,11 @@
 #   sudo docker build -t buildroot/base support/docker
 #   sudo docker push buildroot/base
 
+# We use a specific tag for the base image *and* the corresponding date
+# for the repository., so do not forget to update the apt-sources.list
+# file that is shipped next to this Dockerfile.
 FROM debian:stretch-20171210
+
 LABEL maintainer="Buildroot mailing list <buildroot@buildroot.org>" \
       vendor="Buildroot" \
 description="Container with everything needed to run Buildroot"
@@ -11,6 +15,9 @@ description="Container with everything needed to run Buildroot"
 # Setup environment
 ENV DEBIAN_FRONTEND noninteractive
 
+# This repository can be a bit slow at times. Don't panic...
+COPY apt-sources.list /etc/apt/sources.list
+
 # The container has no package lists, so need to update first
 RUN dpkg --add-architecture i386 && \
     apt-get update -y && \