Self-Hosting

Cloud & Infrastructure beginner

Self-hosting means running an open-source or commercial software stack on your own infrastructure instead of consuming it as a managed cloud service.

Summary

Self-hosting means running an open-source or commercial software stack on infrastructure you control, instead of consuming it as a managed cloud service from a third party.

What is Self-Hosting?

In a self-hosted deployment, you operate the application, its dependencies, its data store, and usually its update lifecycle. The infrastructure can be a Linux VM at a hyperscaler, a server in your own data centre, or a Kubernetes cluster — what matters is that responsibility for installation, configuration, patching, and operations stays on your side.

Self-hosting is most attractive when one of several drivers is in play: data residency, sovereignty, regulatory compliance, cost at scale, or the wish to keep a control plane out of a vendor's hands. A typical example is an EU-based company self-hosting a mesh VPN management plane next to its identity provider to stay under European jurisdiction. Modern stacks ship with Docker Compose or Helm bundles that make the initial install straightforward.

The trade-off is operational work: backups, high availability, monitoring, certificate rotation, and security patching are now yours to own. Healthy self-hosted projects publish reference architectures, document upgrade paths, and avoid open-core games where critical features are paywalled in the self-hosted edition.

Why is Self-Hosting relevant?

  • Sovereignty: Keeps data and control plane under your own legal jurisdiction
  • Cost control: Often cheaper than managed cloud at moderate to large scale
  • No feature gates: Truly open-source stacks expose the same capabilities self-hosted as in the cloud
  • Audit and customisation: Full access to configuration, logs, and source code
  • On-Premises: Self-hosting in your own data centre rather than a hosted VM
  • Control Plane: Component most often kept self-hosted for sovereignty
  • Mesh VPN: Common example of a stack that is attractive to self-host fully
  • Docker Compose: Tool that simplifies self-hosted multi-container setups
  • Cloud Native: Architectural style well suited to self-hosted operation

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Related Terms

On-Premises

On-premises means running software and infrastructure in facilities owned or operated by the using organisation, rather than in a public cloud.

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Control Plane

The control plane is the layer of a distributed system that decides what should happen, manages configuration, and orchestrates the data plane that actually moves traffic or workloads.

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Mesh VPN

A mesh VPN is a VPN topology where every authorised client builds direct, encrypted peer-to-peer connections to every other client, with only identity and policy managed centrally.

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Docker Compose

Docker Compose is a tool for defining and running multi-container Docker applications using a single YAML configuration file.

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Cloud-Native

Cloud-native is an approach to building and running applications that fully exploits the advantages of cloud computing through microservices, containers, and dynamic orchestration.

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