[Unit]
Description=Lightweight Kubernetes
Documentation=https://k3s.io
After=network-online.target

[Service]
Type=notify
EnvironmentFile=/etc/systemd/system/k3s.service.env
ExecStartPre=-/sbin/modprobe br_netfilter
ExecStartPre=-/sbin/modprobe overlay
ExecStart=/usr/bin/k3s server
KillMode=process
Delegate=yes
# Having non-zero Limits causes performance problems due to accounting overhead
# in the kernel. We recommend using cgroups to do container-local accounting.
# See https://github.com/k3s-io/k3s/commit/b4335630b78b5cf927e79724067803a6c0d7c04f
LimitNOFILE=1048576
LimitNPROC=infinity
LimitCORE=infinity
TasksMax=infinity
TimeoutStartSec=0
Restart=always
RestartSec=5s

[Install]
WantedBy=multi-user.target