Base on:
On macOS/Linux x86_64 platform, type:
docker run --rm -it -v $PWD/qemu-arm-static:/usr/bin/qemu-arm-static scue/shadowsocks-libev-armhf ss-server --help
On arm32v6 platfrom, type:
docker run --rm -it scue/shadowsocks-libev-armhf ss-server --help
docker build --squash -t scue/shadowsocks-libev-armhf .