Merge pull request #61 from jiangtiandao/master

Add ENTRYPOINT for  convenience

Dockerfile

@@ -10,3 +10,4 @@ RUN apk add --no-cache git  build-base linux-headers && \
 FROM alpine:3.6
 RUN apk add --no-cache libstdc++ iptables
 COPY --from=builder /udp2raw-tunnel/udp2raw_dynamic /bin/
+ENTRYPOINT [ "/bin/udp2raw_dynamic" ]