./init_submodules.sh make clean docker build -t debian_stretch -f net/grpc/gateway/docker/debian_stretch/Dockerfile . CONTAINER_ID=$(docker create debian_stretch) docker cp "$CONTAINER_ID:/github/grpc-web/gConnector.zip" net/grpc/gateway/docker/debian_stretch docker cp "$CONTAINER_ID:/github/grpc-web/gConnector_static.zip" net/grpc/gateway/docker/debian_stretch docker rm "$CONTAINER_ID"