all!I'm trying to create 2 containers with ansible-container like described at https://habrahabr.ru/company/centosadmin/blog/306488/after all instructions i execute my@host:~$ ansible-container buildand get this:No DOCKER_HOST environment variable found. Assuming UNIX socket at /var/run/docker.sockStarting Docker Compose engine to build your images...Attaching to ansible_ansible-container_1Execution failed with <type 'exceptions.MemoryError'>docker.service file like described in article should be in /etc/systemd/system/ but there is other pth to it: my@host:~$ cat /etc/systemd/system/multi-user.target.wants/docker.service [Unit]Description=Docker Application Container EngineDocumentation=https://docs.docker.comAfter=network.target docker.socket firewalld.serviceRequires=docker.socket[Service]Type=notify# the default is not to use systemd for cgroups because the delegate issues still# exists and systemd currently does not support the cgroup feature set required# for containers run by dockerExecStart=/usr/bin/dockerd -H fd:// -H tcp://0.0.0.0:2375MountFlags=slaveExecReload=/bin/kill -s HUP $MAINPIDLimitNOFILE=1048576# Having non-zero Limit*s causes performance problems due to accounting overhead# in the kernel. We recommend using cgroups to do container-local accounting.LimitNPROC=1048576LimitCORE=infinity# Uncomment TasksMax if your systemd version supports it.# Only systemd 226 and above support this version.TasksMax=infinityTimeoutStartSec=0# set delegate yes so that systemd does not reset the cgroups of docker containersDelegate=yes# kill only the docker process, not all processes in the cgroupKillMode=process[Install]WantedBy=multi-user.targetAs described in an article, I set export DOCKER_HOST=tcp://0.0.0.0:2375 but it doesn't help very much: my@host:~$ ansible-container buildStarting Docker Compose engine to build your images...Attaching to ansible_ansible-container_1Execution failed with <type 'exceptions.MemoryError'>Wht is wrong with it?Thank You.
ansible-container build cuses Execution failed with 
docker;ansible