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Explain why docker run overrides crashing CMD
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@@ -196,7 +196,8 @@ $ docker logs -t myapp
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3. **以交互模式调试**:
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```bash
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# 用同一镜像启动新的交互容器,手动执行命令排查问题
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# /bin/sh 覆盖镜像原本的启动命令,避免容器再次崩溃退出
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# 进入 shell 后可手动执行原启动命令,定位具体报错原因
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$ docker run -it myimage:v1.0.0 /bin/sh
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```
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