infra(k8s): add dev overlay with resource limits and health checks
Implements Task 25: Kustomize Dev Overlay + Resource Limits + Health Checks
Files Created:
- infra/k8s/overlays/dev/kustomization.yaml - Dev overlay config
- References base manifests
- Namespace: workclub-dev
- Replicas: 1 for all deployments
- Image tags: dev for workclub-api and workclub-frontend
- Environment label: development
- infra/k8s/overlays/dev/patches/backend-resources.yaml
- Backend resources: cpu=50m-200m, memory=128Mi-256Mi
- Strategic merge patch targeting workclub-api deployment
- infra/k8s/overlays/dev/patches/frontend-resources.yaml
- Frontend resources: cpu=50m-200m, memory=128Mi-256Mi
- Strategic merge patch targeting workclub-frontend deployment
- frontend/src/app/api/health/route.ts
- Missing health endpoint (declared in base manifest but not implemented)
- Simple Next.js route handler returning {status: 'ok'}
Resource Limits (Dev vs Base):
- Dev: 50m-200m CPU, 128Mi-256Mi memory (50% of base)
- Base: 100m-500m CPU, 256Mi-512Mi memory
Verification:
- kustomize build succeeds (exit 0)
- All deployments replicas=1
- Lower resource limits applied correctly
- Image tags set to dev
- Frontend /api/health route registered
- Evidence saved to .sisyphus/evidence/task-25-kustomize-dev.yaml (495 lines)
Note: commonLabels deprecated warning (non-blocking), consider using labels in future.
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