Resolve container resources using layered priority:
1. spec.yml per-container override (resources.containers.<name>)
2. Compose file deploy.resources block
3. spec.yml global resources
4. DEFAULT_CONTAINER_RESOURCES fallback
This prevents monitoring sidecars from inheriting the validator's
resource requests (e.g., 256G memory). Each service gets appropriate
resources from its compose definition unless explicitly overridden.
Note: existing deployments with a global resources block in spec.yml
can remove it once compose files declare per-service defaults.
Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>
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