You have a Kubernetes cluster on Amazon EKS, a CI/CD pipeline living in Azure DevOps, and a security team that wants visibility before anyone touches production. You need fast deployments that comply with policy, not another Slack approval ritual. That’s the tension this integration solves.
Amazon Elastic Kubernetes Service (EKS) gives you managed Kubernetes on AWS. Azure DevOps runs your build and release pipelines with fine-grained permissions and audit logs. When you connect them correctly, you get automated, identity-aware deployments without storing static credentials or SSH keys in your repos.
The idea is simple. Azure DevOps builds and tests your container image, pushes it to Amazon ECR, then triggers a deployment to your Amazon EKS cluster. Authentication travels through a chain of trust: Azure DevOps → AWS IAM role → EKS service account. OIDC federation replaces long-lived secrets with short-lived tokens verified at runtime. Every deployment request carries identity context, not shared credentials.
Featured answer: To connect Amazon EKS and Azure DevOps securely, create an OIDC trust between Azure Pipelines and AWS IAM, map that IAM role to a Kubernetes service account, and deploy using kubectl or Helm with federated authentication. This eliminates static keys and enables auditable, one-click deployments.
That design keeps control tight. You grant Azure DevOps pipelines scoped access via AWS roles instead of embedding access keys. Kubernetes RBAC ties back to that IAM identity, enforcing least privilege across environments. If someone leaves the company or changes roles, the identity mapping updates automatically through your identity provider, like Okta or Entra ID.
Common snags include misaligned trust policies, mismatched audience claims, and inconsistent namespace mapping. Before debugging with aws sts assume-role-with-web-identity, check that your Azure DevOps service connection uses the correct OIDC issuer URL and claims match the AWS trust relationship. A quick audit against AWS IAM policy conditions usually reveals the culprit.