Update Dockerfile

Dockerfile

@@ -1,8 +1,8 @@
 FROM nikolaik/python-nodejs:latest
 WORKDIR /tmp
-RUN npm i -g tunl.cc && npm i \
+RUN npm i -g lrok && npm i \
  express@github:dimdengd/ultimate-express \
  ky morgan pretty-ms serve-index
 RUN chmod -R 777 /tmp
 COPY . .
-CMD ["sh", "-c", "node . & tunl 7860 req"]
+CMD ["sh", "-c", "node . & lrok http 7860 -n req"]