Add test fixture and documentation for single-pod mode with oversized resources
(4 vCPU / 8 GB) for dev clusters, very small deployments, or constrained environments.
- Add charts/miroir/tests/valid-single-pod-oversized.yaml test fixture
- Add docs/horizontal-scaling/single-pod.md with configuration example, memory
multiplier behavior table, and fault tolerance trade-offs
- Update charts/miroir/tests/README.md to document the new test case
- Update charts/miroir/tests/run-tests.sh to include the test in validation
Acceptance criteria:
- ✅ Fixture boots a single 4-vCPU/8-GB pod successfully
- ✅ values.schema.json accepts the oversized-single-pod combination
- ✅ Memory-multiplier behavior documented with operator override option
- ✅ single-pod.md includes fault tolerance trade-off explanation
- ✅ README.md "When to use" section calls out single-pod mode
Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com>
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