(11/11) Installing docker (19.03.12-r0) Executing docker-19.03.12-r0.pre-install Executing busybox-1.31.1-r19.trigger OK: 311 MiB in 31 packages $ docker build . -t tester -f Dockerfile time="2020-11-16T00:05:28Z" level=error msg="failed to dial gRPC: cannot connect to the Docker daemon. Is 'docker daemon' running on this host?: dial unix /var/run/docker.sock: connect: no such file or directory" error during connect: Post http://%2Fvar%2Frun%2Fdocker.sock/v1.40/build?buildargs=%7B%7D&cachefrom=%5B%5D&cgroupparent=&cpuperiod=0&cpuquota=0&cpusetcpus=&cpusetmems=&cpushares=0&dockerfile=Dockerfile&labels=%7B%7D&memory=0&memswap=0&networkmode=default&rm=1&session=vmpx8sl65f9q9w9wtdp0y5njp&shmsize=0&t=tester&target=&ulimits=null&version=1: context canceled Cleaning up file based variables ERROR: Job failed: command terminated with exit code 1