How to set up Apache ProxyPass to preserve Express routes
You have an extra / at the end of your host. Try changing it to:
ProxyPass /node http://localhost:3000
I had the same problem after settings virtual host on apache 2 server with my nodejs backend system here is how i fixed it:
ProxyRequests On ProxyVia Full ProxyPreserveHost on ProxyPass /api http://jwappengine.com:7000 ProxyPass /secure http://jwappengine.com:1442 ProxyPass /host https://jwappengine.com:1400 ProxyPass /connect/v1 https://jwappengine.com:1400 ProxyPass /payment https://jwappengine.com:3000