All notes
Alpi

Edit /etc/apk/repositories,然后在文件的最顶端添加(注意将3.3换成需要的版本). ustc.edu.

http://alpine.gliderlabs.com/alpine/v3.4/main
http://alpine.gliderlabs.com/alpine/v3.4/community
http://mirrors.ustc.edu.cn/alpine/v3.4/main
http://mirrors.ustc.edu.cn/alpine/v3.4/community
http://dl-cdn.alpinelinux.org/alpine/v3.4/main
http://dl-cdn.alpinelinux.org/alpine/v3.4/community

FROM alpine:3.2
RUN apk -U add dnsmasq
EXPOSE 53 53/udp
ENTRYPOINT ["dnsmasq", "-k"]