Developer Migrated Six Services to Kubernetes, Then Reversed Course in One Day

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A developer spent two weeks migrating six self-hosted services from Docker Compose to a K3s Kubernetes cluster, complete with ArgoCD, GitOps workflows, Kyverno policies, and SealedSecrets. Within a single day, all six services were moved back to Docker Compose, along with a seventh that had originally been built on the cluster. Crucially, nothing broke technically — the reversal was driven by a deliberate reassessment rather than any failure. The core insight was that every migrated service ran third-party, upstream open-source images — software the developer neither wrote nor shipped — making Kubernetes features like canary releases, service meshes, and fine-grained rollouts largely irrelevant. The cluster itself was retained for lab environments and practice workloads, underscoring that the reversal targeted a flawed assumption about Kubernetes use cases, not the technology itself.

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