add volumes and ports to expose

Dockerfile

@@ -17,3 +17,12 @@ ADD ./sync.run /etc/service/sync/run
 ADD ./ipfsd.run /etc/service/ipfsd/run
 RUN chmod +x /etc/service/*/run
 
+VOLUME /var/lib/ipfs
+VOLUME /var/lib/ubuntumirror
+
+# ipfs ports
+EXPOSE 4001
+EXPOSE 4002/udp
+EXPOSE 5001
+EXPOSE 8080
+EXPOSE 8081