Comparison · Runtime and deployment

Skalpai vs Docker: is containerizing enough to ship an application?

Docker provides tools and a platform to build and run containers. Skalpai builds on OCI standards to orchestrate the whole path around them: development, tests, publishing, deployment and observability.

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The key difference

Two scopes, not two copies of the same tool.

This is not a strict head-to-head. Docker answers the need to build and run a container very well. Skalpai answers the next question: how do you keep several applications running without gluing all the tooling around containers yourself?

Skalpai vs Docker, point by point

CriterionSkalpaiDocker
FocusEnd-to-end application pathContainerization platform and tools
Image standardOCI-compatible imagesOCI-compatible images and registries
Local engineRootless execution via runc, no Docker daemonDocker Engine and its daemon
Local servicesAssembled in a SpaceDocker Compose for multi-container applications
CI and publishingBuilt into the same contractTo assemble with a CI system
ProductionDeployment, rollback and telemetryRequires a platform and additional tools

Choose Skalpai if…

  • You want to go from code to production without building the whole chain.
  • You want the same services shared between development and CI.
  • You want containers linked to versions and incidents.

Choose Docker if…

  • You want to containerize an application without changing the rest of your tooling.
  • You want a standard known by a very large community.
  • You want to freely compose your own platform around Docker.

No forced migration

Can you use Skalpai and Docker together?

Images stay OCI-compatible. A team can keep using images and registries from the Docker ecosystem, even though Skalpai does not need the Docker daemon to run them.

Frequently asked questions

Does Skalpai replace Docker?

Not as a container standard. It mainly replaces the assembly of commands and services built around Docker to develop, test and ship.

Are Dockerfiles compatible?

Skalpai produces and consumes OCI artifacts. Exact compatibility depends on the features your project uses.

Does Skalpai use Kubernetes locally?

No. Its local execution is designed to stay lightweight and does not require a Kubernetes cluster.

Official sources

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