How to map nginx ingress rules with backend services in 3 different namespaces

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How to map nginx ingress rules with backend services in 3 different namespaces

Abhishek Singh 381

I have a azure Kubernetes cluster with nginx ingress rules I want the 3 backend services for path based rules all my 3 services are 3 different namespaces can someone please guide on this.

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vipullag-MSFT 26,487 Moderator

@Abhishek Singh

Welcome to Microsoft Q&A Platform, thanks for posting your query here.

Based on your ask, if you have 3 deployments in 3 different namespaces, then you just need to create 3 different ingresses. 1 ingress per namespace, using a specific path, and pointing to the service/deployment in that namespace.
Basically each namespace should have 1 deployment + 1 service + 1 ingress, that will guarantee that traffic gets directed to the correct deployment.

Hope this helps.
If you need further help on this, tag me in a comment.
If the suggested response helped you resolve your issue, please 'Accept as answer', so that it can help others in the community looking for help on similar topics.

Abhishek Singh 381 Reputation points

2022-10-03T16:41:35.917+00:00

Thanks for your answer this helps, will the name of the ingress be same across all namspaces also it would be great if you could give an example I am curious to know how ingress would combine the 3 rules in 3 different namespaces.
vipullag-MSFT 26,487 Reputation points Moderator

2022-10-10T00:25:38.587+00:00

@Abhishek Singh

It is 3 different ingresses, not 1 ingress with 3 rules.
1 ingress per namespace. Ingress name is irrelevant as long as it is unique per namespace.

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