GitOps — infrastructure defined in Git, automatically synchronized with the cluster. In 2023, it’s the standard. Argo CD and Flux are complementary tools.
Argo CD vs. Flux¶
Argo CD: strong UI, application-centric model. Flux: event-driven, lightweight. In practice, we combine them: Flux for infrastructure, Argo CD for applications. Best of both worlds.
Progressive Delivery¶
Canary deployments with automatic rollback based on error rate and latency metrics. A new release on 5% of traffic, monitored for 15 minutes, with automatic promotion or rollback. Zero-downtime deployments.
Recommendations for 2023¶
- GitOps is the default — if you’re not using it, you have technical debt
- Argo CD for dev teams that need UI and self-service
- Flux for CLI-first and event-driven models
- Invest in progressive delivery — canary/blue-green
- Standardize on Kustomize or Helm
GitOps Is Mature — Adopt It Fully¶
The era of experimentation is behind us. Invest in progressive delivery as the next step.
gitopsargo cdfluxkubernetes
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