Matan Baruch

ConfigMaps in Kubernetes don’t have built-in revision support, which can create challenges when deploying applications with canary strategies. When using Argo Rollouts with AWS Spot instances, ConfigMap deletions during canary deployments can cause older pods to fail when they try to reload configuration. We solved this by implementing a custom ConfigMap revision system using Pulumi’s ConfigMapPatch and Kubernetes owner references.

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When managing infrastructure as code at scale, reliable state storage is essential. Pulumi Cloud provides a fully managed, secure, and scalable solution out of the box. For teams that choose to build and maintain their own backend, Pulumi now offers support for PostgreSQL as a DIY state storage option—though this requires additional operational overhead and careful consideration around performance, security, and maintenance.

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