ECS Fargate - CloudMap Service Discovery not working.
Hello
I have created a private clodmap namespace in a VPC and deployed 3 ECS services in to the VPC. My VPC has DNS resolution enabled. On the ECS dashboard I can see the corresponding service discovery names for my services and they all match the records on CloudMap and route 53 hosted zone.
My problem is, from service A, I can not reach to service B using service discovery names even though the resources are inside the same fargate cluster. Interestingly, I can reach from A to B if I use the internal IP address. I believe there is a problem in the resolution of the dns, since there is no response to the dig command.
I am attaching the logs when I execute a dig command from service A to B.
I really appreciate any help, thanks!
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I do not think that there is a problem with the security groups since I can reach the service from a container using the internal IP address that I see on the Cloud Map console. I would expect no response from the IP address, if there is a problem with the security groups.
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what do you mean by configuring the security group? configure it how?