Map the port to 80

config in the host-port.md file, and the run the command below

sudo node index.js

the host-port.md file looks like this.

#dev
127.0.0.1 oa.dev.neixin.cn 9002
127.0.0.1 oa.web.xm.test.sankuai.com 9002
127.0.0.1 qa.neixin.cn 9800
127.0.0.1 web.xm.test.sankuai.com 9800
127.0.0.1 test.admin.dev.neixin.cn 9003
127.0.0.1 admin.dev.neixin.cn 9005

#st
127.0.0.1 oa.xm.st.neixin.cn 9002
127.0.0.1 oa.st.neixin.cn 9002
127.0.0.1 test.xm.st.sankuai.com 9800
127.0.0.1 st.neixin.cn 9800
127.0.0.1 st.x.sankuai.com 9800

#pro
127.0.0.1 neixin.cn 9800
127.0.0.1 x.sankuai.com 9800