Tweak docker settings

rootfs/standard/lib/systemd/system/docker.service

@@ -0,0 +1,47 @@
+[Unit]
+Description=Docker Application Container Engine
+Documentation=https://docs.docker.com
+BindsTo=containerd.service
+After=network-online.target firewalld.service containerd.service
+Wants=network-online.target
+Requires=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 docker
+ExecStart=/usr/bin/dockerd -H fd:// --containerd=/run/containerd/containerd.sock -g /mnt/hdd/mynode/docker
+ExecReload=/bin/kill -s HUP $MAINPID
+TimeoutSec=0
+RestartSec=2
+Restart=always
+
+# Note that StartLimit* options were moved from "Service" to "Unit" in systemd 229.
+# Both the old, and new location are accepted by systemd 229 and up, so using the old location
+# to make them work for either version of systemd.
+StartLimitBurst=3
+
+# Note that StartLimitInterval was renamed to StartLimitIntervalSec in systemd 230.
+# Both the old, and new name are accepted by systemd 230 and up, so using the old name to make
+# this option work for either version of systemd.
+StartLimitInterval=60s
+
+# Having non-zero Limit*s causes performance problems due to accounting overhead
+# in the kernel. We recommend using cgroups to do container-local accounting.
+LimitNOFILE=infinity
+LimitNPROC=infinity
+LimitCORE=infinity
+
+# Comment TasksMax if your systemd version does not support it.
+# Only systemd 226 and above support this option.
+TasksMax=infinity
+
+# set delegate yes so that systemd does not reset the cgroups of docker containers
+Delegate=yes
+
+# kill only the docker process, not all processes in the cgroup
+KillMode=process
+
+[Install]
+WantedBy=multi-user.target

rootfs/standard/usr/bin/mynode_startup.sh

@@ -63,6 +63,7 @@ mkdir -p /mnt/hdd/mynode/quicksync
 mkdir -p /mnt/hdd/mynode/redis
 mkdir -p /mnt/hdd/mynode/mongodb
 mkdir -p /mnt/hdd/mynode/electrs
+mkdir -p /mnt/hdd/mynode/docker
 echo "drive_mounted" > $MYNODE_DIR/.mynode_status
 chmod 777 $MYNODE_DIR/.mynode_status
 rm -rf $MYNODE_DIR/.mynode_bitcoind_synced