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Learn how BT successfully migrated from traditional GitLab and Terraform-driven deployments to a fully GitOps-based workflow using Flux across more than 30 Kubernetes clusters in this 26-minute conference talk. Discover practical insights from this large-scale telco transformation, including the re-architecture of core network services such as NetBox and other SDN tooling to support continuous delivery. Explore lessons learned from the initial migration process, current challenges in managing stateful services, and upcoming plans to integrate Flagger for progressive delivery and Flux Operator for feature-branch testing and ephemeral environments. Understand how BT enabled self-service developer environments, navigated technical and cultural barriers, and developed a comprehensive GitOps blueprint for adoption across a complex telecommunications environment.
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