One OCI artifact, 50 clusters: How we ship infrastructure at Twingate

Twingate's infrastructure management strategy involves operating 50 Kubernetes clusters across 22 regions without exposing them to the internet, ensuring reliability and consistency in deployment through a streamlined CI/CD pipeline. This approach is built on using a single OCI artifact per commit, with promotions handled through tag movements rather than rebuilds, ensuring that the artifact tested in non-production environments is identical to the one deployed in production. By utilizing Twingate's headless client, CI can access all clusters securely, allowing for seamless verification of deployments. This pipeline ensures that any changes are thoroughly vetted across multiple environments before reaching production, minimizing the risk of disruptions in customer traffic. The design principles, such as treating infrastructure changes with the same rigor as product code and maintaining private API servers, are intended to enhance the operational reliability and scalability of the deployment process.

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