Compatibility matrix

Which features work on which providers, at a glance. A partial-support mark means the feature works but its configuration differs per provider (for example, Kubernetes uses annotations for comma/colon values, and Proxmox LXC uses tags). Open the feature page for the specifics.

Feature	Docker	Docker Swarm	Kubernetes	Podman	Proxmox LXC
Anti-affinity	✓	✓	≈	✓	✕
Instance Groups	✓	✓	≈	✓	≈
Keep instances warm on a schedule	✓	✓	≈	✓	✕
Delay readiness	✓	✓	✓	✓	✕
Mark ready on start	✓	✓	✓	✓	✕
Scale block I/O	✓	✕	✕	✕	✕
Scale CPU	≈	≈	≈	≈	✕
Scale memory	≈	≈	≈	≈	✕
Scale instead of stop	≈	≈	≈	≈	✕

✓ supported ≈ works, provider-specific details ✕ not yet (click a badge on the feature page to request) ✕ not possible

API Versioning