https://www.kdichalas.net/tags/infrastructure/Recent content in Infrastructure on Konstantinos (Kostas) DichalasHugoen-gbMon, 22 Jun 2026 09:34:43 +0000https://www.kdichalas.net/posts/provisioning-multi-region-aws-infrastructure-with-crossplane/Mon, 22 Jun 2026 09:34:43 +0000https://www.kdichalas.net/posts/provisioning-multi-region-aws-infrastructure-with-crossplane/<blockquote> <p>Originally published on <a href="https://medium.com/@kostasdihalas/provisioning-multi-region-aws-infrastructure-with-crossplane-c5010fb39b5f">Medium</a> on 22 June 2026.</p> </blockquote> <p><img src="https://www.kdichalas.net/images/posts/provisioning-multi-region-crossplane/01.png" alt="Crossplane multi-region AWS infrastructure diagram 1"></p> <p>Before we can deploy applications across multiple <strong>EKS</strong> clusters, we need the infrastructure to exist. That sounds obvious, but it is where many platforms become fragmented.</p> <ul> <li>One team creates a VPC with Terraform.</li> <li>Another team creates EKS clusters manually.</li> <li>DNS records are created somewhere else.</li> <li>IAM roles are patched during incidents.</li> <li>A few resources are managed by scripts that only one person understands.</li> </ul> <p>This works for a while, but it does not scale well. For a multi-region platform, we need infrastructure that is:</p>