Which architecture does Flux prefer: a GitOps model based on git push, or integration with declarative CI/CD (e.g., Terraform-style)? Which seems more sustainable and reliable? Why?
Flux's architectural approach: GitOps vs. Declarative CI/CD?
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I strictly adhere to GitOps in Flux, especially when working with Kubernetes environments. The primary reason is that version control has a continuous source of truth. When you push to Git, the cluster state automatically synchronizes, making it easy to track and roll back any changes. While declarative approaches like Terraform can be useful, the "single source of truth" advantage GitOps provides feels far more reliable to me.
In practice, I integrate Flux with my CI/CD pipeline, using both Git and declarative files. For example, while CI handles the build process, Flux applies changes from the Git repository to the cluster. This way, I can respond quickly while maintaining a consistent structure. It’s truly a sustainable and reliable solution.