63 lines
1.5 KiB
Plaintext
63 lines
1.5 KiB
Plaintext
vcl 4.1;
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# https://github.com/varnish/toolbox/tree/master/vcls/hit-miss
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include "hit-miss.vcl";
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# import vmod_dynamic for better backend name resolution
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import dynamic;
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import vmod_dynamic
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import std;
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backend default {
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.host = "rstat-dashboard";
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.port = "5000";
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}
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acl purge {
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"localhost";
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"nginx";
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"127.0.0.1";
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}
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sub vcl_recv {
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if (req.url ~ "/purge-cache") {
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if (!client.ip ~ purge) {
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return(synth(403, "Not allowed."));
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}
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ban("req.http.host == rstat.net");
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return(synth(200, "Cache cleared"));
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}
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# Cache static files
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if (req.url ~ "\.(css|js|avif|webp|png|jpe?g|gif|ico|svg|woff2?|eot|ttf|otf|json|csv|pdf|mp4|webm|ogg|mp3|wav|flac)$") {
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unset req.http.Cookie;
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return(pass);
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}
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# Remove all cookies for other requests
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unset req.http.Cookie;
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return(pass);
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}
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sub vcl_backend_response {
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# Cache static files and other content in Varnish for 1 year
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set beresp.ttl = 1m;
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# Enable stale content serving
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set beresp.grace = 24h;
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# Preserve the origin's Cache-Control header for client-side caching
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if (beresp.http.Cache-Control) {
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set beresp.http.X-Orig-Cache-Control = beresp.http.Cache-Control;
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}
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}
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sub vcl_deliver {
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# Restore the origin's Cache-Control header for the browser
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if (resp.http.X-Orig-Cache-Control) {
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set resp.http.Cache-Control = resp.http.X-Orig-Cache-Control;
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unset resp.http.X-Orig-Cache-Control;
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} else {
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# If no Cache-Control was set by the origin, we'll set a default
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set resp.http.Cache-Control = "no-cache, must-revalidate";
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}
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}
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