Up to 17 and tested

adjust-docker-service.patch

@@ -0,0 +1,17 @@
+diff --git a/contrib/init/systemd/docker.service.rpm b/contrib/init/systemd/docker.service.rpm
+index 08e90da..b6ff8c7 100644
+--- a/contrib/init/systemd/docker.service.rpm
++++ b/contrib/init/systemd/docker.service.rpm
+@@ -5,10 +5,11 @@ After=network.target
+
+ [Service]
+ Type=notify
++EnvironmentFile=-/etc/sysconfig/docker
+ # 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 docker
+-ExecStart=/usr/bin/dockerd
++ExecStart=/usr/bin/dockerd $DOCKER_OPTS $DATA_ROOT
+ ExecReload=/bin/kill -s HUP $MAINPID
+ # Having non-zero Limit*s causes performance problems due to accounting overhead
+ # in the kernel. We recommend using cgroups to do container-local accounting.

docker.conf

@@ -0,0 +1,11 @@
+# Use DOCKER_OPTS to modify the daemon startup options.
+# DOCKER_OPTS="--dns 8.8.8.8 --dns 8.8.4.4"
+# set overlayfs if you need
+DOCKER_OPTS="--storage-driver=overlay2"
+DATA_ROOT="--data-root /var/lib/docker"
+
+# If you need Docker to use an HTTP proxy, it can also be specified here.
+#export http_proxy="http://127.0.0.1:3128/"
+
+# This is also a handy place to tweak where Docker's temporary files go.
+#export TMPDIR="/mnt/bigdrive/docker-tmp"