caddy.service

# caddy.service
#
# For using Caddy with a config file.
#
# Make sure the ExecStart and ExecReload commands are correct
# for your installation.
#
# See https://caddyserver.com/docs/install for instructions.
#
# WARNING: This service does not use the --resume flag, so if you
# use the API to make changes, they will be overwritten by the
# Caddyfile next time the service is restarted. If you intend to
# use Caddy's API to configure it, add the --resume flag to the
# `caddy run` command or use the caddy-api.service file instead.

[Unit]
Description=Caddy
Documentation=https://caddyserver.com/docs/
After=network-online.target
Wants=network-online.target systemd-networkd-wait-online.service
StartLimitIntervalSec=14400
StartLimitBurst=10

[Service]
User=http
Group=http
Environment=XDG_DATA_HOME=/var/lib
Environment=XDG_CONFIG_HOME=/var/lib
ExecStart=/usr/local/bin/caddy run --environ --config /etc/caddy/Caddyfile
ExecReload=/usr/local/bin/caddy reload --config /etc/caddy/Caddyfile

# Do not allow the process to be restarted in a tight loop. If the
# process fails to start, something critical needs to be fixed.
Restart=on-abnormal

# Use graceful shutdown with a reasonable timeout
KillMode=mixed
KillSignal=SIGQUIT
TimeoutStopSec=5s

LimitNOFILE=1048576
LimitNPROC=512

# Hardening options
PrivateTmp=true
PrivateDevices=true
ProtectHome=true
ProtectSystem=strict
ReadWritePaths=/var/lib/caddy /var/log/caddy
CapabilityBoundingSet=CAP_NET_BIND_SERVICE
AmbientCapabilities=CAP_NET_BIND_SERVICE
NoNewPrivileges=true
ProtectKernelTunables=true
ProtectKernelModules=true
ProtectControlGroups=true
LockPersonality=true

[Install]
WantedBy=multi-user.target