docker构建镜像报错ERROR: Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?

这个错误提示是因为无法连接到Docker守护程序。有几个可能的原因导致这个问题。首先，请确保Docker守护程序正在运行。您可以使用以下命令检查Docker的状态：<span class="em">1</span><span class="em">2</span><span class="em">3</span>
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