Developer Migrates 7 Services to Kubernetes, Then Reverses Course — Here's Why

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A developer spent several weeks migrating seven self-hosted services to a K3s Kubernetes cluster, complete with ArgoCD, GitOps workflows, Kyverno policies, and SealedSecrets, all on a single shared machine. Within one afternoon, all seven services were moved back to Docker Compose, a decision the author describes as a deliberate reversal rather than a failure. The core insight driving the rollback was that every migrated service ran third-party, upstream open-source images — software the developer had not authored or iterated on. Kubernetes tooling such as network policies, CI pipelines, and admission rules offer little practical value when applied to sealed, externally maintained containers, generating integration complexity with no meaningful output. The cluster itself was not dismantled; the GitOps loop, supply-chain policy, and service mesh remain, but the decision to route existing compose services through Kubernetes was specifically undone.

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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ProgrammingDEV Community ·

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