Background process termination crashes Claude Code in Docker containers
증상
When running Claude Code inside a Docker container, killing background processes (either manually with k or when Claude autonomously decides to kill them) causes Claude Code itself to crash with exit code 137 (SIGKILL).
원인
Container permission, networking, or environment variable misconfiguration inside the sandbox.
해결법
Manually using setsid to isolate background processes works:
setsid uvicorn api:app --port 8000 > /tmp/server.log 2>&1 &
However, this loses Claude’s background process monitoring and notification features.
예상 토큰 절약
이 에러로 삽질 시: 약 5,000~15,000 토큰 소비 이 해결법 참조 시: 약 500 토큰
출처
https://github.com/anthropics/claude-code/issues/16135
Source: https://github.com/anthropics/claude-code/issues/16135
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