Containers without Kubernetes
Kubernetes is a serious answer to a serious scale problem. Plenty of workloads have neither, and are better served by something far simpler.
Be honest about the scale
A cluster earns its complexity when you are running many services across many machines with constant change. A handful of containers on one or two dedicated boxes does not need an orchestrator, a control plane and the operational burden that comes with them — see Kubernetes on bare metal for when it does.
The simpler rungs
- A single container managed as a systemd service, restarted and logged like anything else.
- Compose for a small set of containers that belong together on one host.
- A lightweight scheduler if you outgrow one box but not yet a full cluster.
Keep the good parts
You still get reproducible builds, clean isolation and easy rollback — the things containers are actually for. Mind container security and a registry for your images, and move up a rung only when real growth forces it, not before.
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