Add DockerFile + parse rsv1 field

docker/Dockerfile.alpine

@@ -0,0 +1,11 @@
+FROM alpine:3.8
+
+RUN apk add --no-cache g++ musl-dev make cmake openssl-dev
+
+COPY . .
+
+WORKDIR examples/ws_connect
+RUN ["sh", "build_linux.sh"]
+
+EXPOSE 8765
+CMD ["ws_connect"]