diff --git a/Dockerfile b/Dockerfile index 63c61c2..73a1738 100644 --- a/Dockerfile +++ b/Dockerfile @@ -64,4 +64,5 @@ ENTRYPOINT ["./entrypoint.sh"] # It's just the VM image with a compressed Raspbian filesystem added FROM dockerpi-vm as dockerpi LABEL maintainer="Luke Childs " -ADD http://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2019-09-30/2019-09-26-raspbian-buster-lite.zip /filesystem.zip +ARG FILESYSTEM_IMAGE_URL="http://downloads.raspberrypi.org/raspbian_lite/images/raspbian_lite-2019-09-30/2019-09-26-raspbian-buster-lite.zip" +ADD $FILESYSTEM_IMAGE_URL /filesystem.zip