add Dockerfile

Author: joegraviton

Dockerfile

@@ -0,0 +1,14 @@
+# node:16 not working so far:
+# https://github.com/webtorrent/bittorrent-tracker/actions/workflows/release.yml
+FROM node:14
+
+WORKDIR /app
+COPY . /app
+RUN npm install
+
+# please expose tcp port for both HTTP and WebSocket Tracker
+EXPOSE 8000/tcp
+# please expose udp port for UDP Tracker
+EXPOSE 8000/udp
+
+CMD [ "node", "./bin/cmd.js" ]