How to route using Front Door to two Web applications Static App and Web App?

Question

Hi,

I have FrontDoor set up to route to a Web App.

This works perfectly.

Now I want to route using the route /breakingnews/ to a Web Static App running on a different URL.

I have set up a new route to new Origin groups.

Here is Origin group:

The file staticwebapp.config.json contains:

{
  "navigationFallback": {
    "rewrite": "/index.html",
    "exclude": ["/images/*.{png,jpg,gif}", "/css/*"]
  },
  "forwardingGateway": {
  "requiredHeaders": {
    "X-Azure-FDID" : "FDID"
  },
  "allowedForwardedHosts": [
    "mspadminwebfdedev-XXXXXXXX.z01.azurefd.net"
  ]
}
}

But something is wrong. Because when I enter the URL I get an HTTP 404.

I don't have any rules.

I would like to ask for advice on how to set this up? Thank you very much.

Answer 1

Hi František Lorenc,

Welcome to Microsoft Q&A Platform. Thank you for reaching out & hope you are doing well.

I understand that you've setup Azure Front Door with two routes, out of which one is working fine but the other one is not.

I have created setup Front Door (standard) endpoint to route azure static websites like below:

To resolve this issue add a routing rule like below:

Please find the below document for more information on Patterns to match and origin path usage:

https://learn.microsoft.com/en-us/azure/frontdoor/how-to-configure-endpoints#add-a-route

Patterns to match - Configure all URL path patterns that this route accepts. For example, you can set the pattern to match to /images/* to accept all requests on the URL www.contoso.com/images/*. Azure Front Door determines the traffic based on exact match first. If no paths match exactly, then Front Door looks for a wildcard path that matches. If no routing rules are found with a matching path, then the request get rejected and returns a 400: Bad Request error HTTP response.

Origin path: This path is used to rewrite the URL that Azure Front Door will use when constructing the request forwarded to the origin. By default, this path isn't provided. As such, Azure Front Door will use the incoming URL path in the request to the origin. You can also specify a wildcard path, which will copy any matching part of the incoming path to the request path to the origin. Origin path is case sensitive. Pattern to match: /foo/* Origin path: /fwd/ Incoming URL path: /foo/a/b/c/ URL from Azure Front Door to origin: fwd/a/b/c.

Kindly let us know if the above helps or you need further assistance on this issue.

Thanks,

Rohith.

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