How to configure the websocket? of the node server of the apache reverse proxy

the server is httpd, and then configure a second-level domain name, reverse proxy a node server, the node server is based on express, installed express-ws, but has been reporting errors router.ws () not function

then I would like to ask if the reverse proxy node server also needs to do websocket configuration on the forward httpd?

how to do this exactly?

Linux apache httpd node.js express
Mar.22,2021

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MySQL Query : SELECT * FROM `codeshelper`.`v9_news` WHERE status=99 AND catid='6' ORDER BY rand() LIMIT 5
MySQL Error : Disk full (/tmp/#sql-temptable-64f5-1b36cb6-4eca8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
MySQL Errno : 1021
Message : Disk full (/tmp/#sql-temptable-64f5-1b36cb6-4eca8.MAI); waiting for someone to free some space... (errno: 28 "No space left on device")
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