Fabián Sellés Rosa, Tech Lead of the Runtime team at Adevinta, walks through a real engineering investigation that started with a simple request: allowing tenants to use third-party Kafka services. What seemed straightforward turned into a complex DNS resolution problem that required testing seven different approaches before a working solution was found.You will learn:Why Kafka's multi-step DNS resolution creates unique challenges in multi-tenant environments, where bootstrap servers and dynamic broker lists complicate standard DNS approachesThe iterative debugging process from Route 53 split DNS through Kubernetes native pod DNS config, custom DNS servers, Kafka proxies, and CoreDNS solutionsHow to implement the final solution using node-local DNS and CoreDNS templating with practical details including ndots configuration and Kyverno automationPlatform engineering evaluation criteria for assessing solutions based on maintainability, self-service capability, and evolvability in multi-tenant environmentsSponsorThis episode is sponsored by LearnKube — get started on your Kubernetes journey through comprehensive online, in-person or remote training.More infoFind all the links and info for this episode here: https://ku.bz/NsBZ-FwcJInterested in sponsoring an episode? Learn more.

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