当容器退出时,docker ps -a
显示其退出码(滚动查看)
$ docker run ubuntu bash -c "exit 1"
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
c2c769c4b9ef ubuntu "bash -c 'exit 1'" 6 seconds ago Exited (1) 3 seconds ago happy_fermat
如何以编程方式获取数值退出代码,而无需使用容易出错的grep
和cut
操作?