How to use OCI images as the source of truth for continuous delivery

The concept of GitOps, traditionally centered around using git repositories as deployment artifacts, is evolving with the integration of Open Container Initiative (OCI) artifacts stored in container registries, which are increasingly being adopted for GitOps deployments. While git repositories provide a central source of truth and facilitate collaboration on infrastructure changes, they are not specifically designed for deployment tasks, which sometimes leads to complications such as lack of deployment controls. By contrast, using OCI images allows for more streamlined deployments, enhanced security through artifact signing and verification, and minimal deployment footprints by packaging only the necessary Kubernetes manifests for specific environments. GitLab's features support these advancements by enabling users to push, sign, and deploy OCI images using tools like Flux CD, while ensuring secure and efficient GitOps workflows. This approach maintains the benefits of git for version control and collaboration while addressing limitations in deploying infrastructure.

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