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varnish.zotonic.vcl
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varnish.zotonic.vcl
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#
# Varnish configuration for a Zotonic site
#
backend zotonic_com {
.host = "127.0.0.1";
.port = "8000";
.first_byte_timeout = 300s;
.connect_timeout = 300s;
.between_bytes_timeout = 300s;
}
backend nginx {
.host = "127.0.0.1";
.port = "8080";
.first_byte_timeout = 300s;
.connect_timeout = 300s;
.between_bytes_timeout = 300s;
}
sub vcl_recv {
set req.http.X-Forwarded-Host = req.http.host;
######################################################################
########################### VIRTUAL HOSTS ############################
if (req.http.host ~ "^(www.|)(zotonic|example).(com|net)$") {
set req.backend = zotonic_com;
}
# Nginx hosted sites
#
else {
set req.backend = nginx;
}
######################################################################
# Add a unique header containing the client address
unset req.http.X-Forwarded-For;
set req.http.X-Forwarded-For = client.ip;
# We only deal with GET and HEAD by default
if (req.request != "GET" && req.request != "HEAD") {
return (pass);
}
# Cache the home page for a short period (ttl = 1 second, see vcl_fetch)
if (req.url ~ "^/$") {
unset req.http.Cookie;
unset req.http.Authenticate;
set req.grace = 10s;
return (lookup);
}
# Cache served css and media files
if (req.url ~ "^/(lib|image|media|favicon.ico)/") {
unset req.http.Cookie;
unset req.http.Authenticate;
set req.grace = 30m;
return (lookup);
}
return (pass);
}
sub vcl_pipe {
# Note that only the first request to the backend will have
# X-Forwarded-For set. If you use X-Forwarded-For and want to
# have it set for all requests, make sure to have:
set req.http.connection = "close";
return (pipe);
}
sub vcl_pass {
if (req.url ~ "^/comet") {
#bereq.connect_timeout = 70;
#bereq.first_byte_timeout = 70;
}
return (pass);
}
sub vcl_fetch {
if (req.url ~ "^/(lib|image|media|favicon.ico)/") {
unset beresp.http.Set-Cookie;
set beresp.grace = 30m;
set beresp.ttl = 10m;
return (deliver);
}
return (pass);
}
sub vcl_error {
if (obj.status == 503 && req.restarts < 4) {
restart;
}
}