centos8 using docker composer ERROR: fix ERROR: Couldn’t connect to docker daemon at HTTP +docker://localhost – is it running?
you can see the version number using docker-compose version, proving that the service is enabled. The reason is because it is not added to the Docker group.
execute command: sudo gpasswd-a ${USER} docker note: do not change the command, directly execute
after the execution of the user needs to switch: su root; su hyn
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