* Docker: a chance to rebuild docker image
when Dockerfile is updated, docker image will not be rebuilt,
let armbian docker image tag with framework version, thus has
a chance to rebuild it.
V2: use VERSION file to track build script version.
Signed-off-by: Zhang Ning <832666+zhangn1985@users.noreply.github.com>
* Docker: use upgrade instead of dist-upgrade to speed up docker build
this patch also change to use apt instead of apt-get
when compile in docker, it will run apt update&&upgrade everytime.
this is very time consuming.
apt-get dist-upgrade will not upgrade packages, thus will make build framework
do upgrade each time.
Signed-off-by: Zhang Ning <832666+zhangn1985@users.noreply.github.com>
