[Unit]
Description=Varnish Cache, a high-performance HTTP accelerator
After=network-online.target nss-lookup.target

[Service]
Type=forking
KillMode=mixed
Restart=always
RestartSec=3

# Maximum number of open files (for ulimit -n)
LimitNOFILE=131072

# Shared memory (VSM) segments are tentatively locked in memory. The
# default value for vsl_space (or shorthand varnishd -l option) is 80MB.
# There are other types of segments that would benefit from allowing
# more memory to be locked.
LimitMEMLOCK=100M

# Enable this to avoid "fork failed" on reload.
TasksMax=infinity

# Maximum size of the corefile.
LimitCORE=infinity

# A PID file makes the main process selection deterministic.
RuntimeDirectory=%N
PIDFile=%t/%N/varnishd.pid

ExecStart=/usr/sbin/varnishd \
	  -a :6081 \
	  -f /etc/varnish/default.vcl \
	  -P %t/%N/varnishd.pid \
	  -p feature=+http2 \
	  -p http_resp_hdr_len=40000 \
	  -s malloc,512m
ExecReload=/usr/sbin/varnishreload

[Install]
WantedBy=multi-user.target