chore: EKS 노드그룹 t3.medium 3대로 변경 (closes #69)#70
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관련 이슈
closes #69
변경 사항
instance_types:t3.small→t3.mediumscaling_config: desired 4 → 3, max 4 → 3작업 내용 상세
파드 메모리 부족 문제 해결을 위한 노드 사양 변경.
t3.small(2 GiB) × 4대 구성에서는 kube-system 데몬 + 전체 워크로드(prometheus, loki, redis, postgres, backend, ai)를 수용하기에 메모리가 부족함.
t3.medium(4 GiB) × 3대로 변경 시 총 메모리가 8 GiB → 12 GiB로 증가하여 파드 스케줄링 여유 확보.
체크리스트
terraform plan실행하여 의도한 변경만 포함되어 있음을 확인