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운영·스테이징 서버에 안전하게 디버거를 붙이는 방법을 정리한다. Java JDWP, Node inspect, Python debugpy, Go Delve의 원격 attach 설정과 SSH 터널·Kubernetes port-forward 활용, IDE별 attach 구성까지 실전 중심으로 다룬다.
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