Google appengine routing - dispatch.yaml

1. default-standard

The appengine standard main server with a dispatch.yaml

2. prolisting-standard

service: prolisting

routing: bgsample.appspot.com/prolisting

The appengine standard deployed as prolisting service

3. gatsby-standard

service: gatsby

routing: bgsample.appspot.com/gatsby

gatsby project: The 'gatsby build' files are in the public folder. The appengine standard deployed as 'gatsby' service.

app.yaml: Handlers are added to service the gatsby generated files.

There are two issues and hence not usable

1st issue:

https://bgsample.appspot.com/gatsby/ - this works https://bgsample.appspot.com/gatsby - this does not work - why?

2nd issue:

https://bgsample.appspot.com/gatsby/ - Then click on 'A' link it works.

Now you do refresh, it does not work. Following displays on the browser

"Error: Not Found. The requested URL /gatsby/a/ was not found on this server."

4. gatsby-express-standard

service: gatsby-express

routing: bgsample.appspot.com/gatsby-express

Use the plugin 'https://github.com/wille/gatsby-plugin-express'

Follow the example 'https://github.com/gatsbyjs/gatsby/tree/master/examples/using-path-prefix'