Build packages and images

build debian package

cd build
./build.sh build_package

A deb-package will be placed in build/out

build surok base docker image(based on Ubuntu Xenial)

cd build
./build.sh surok_image

build surok base Alpine image

cd build
./build.sh alpine

build surok base CentOS image

cd build
./build.sh centos

ENTRYPOINT is: cd /opt/surok && pytho3 surok.py -c /etc/surok/conf/surok.json