diff --git a/config/varnish.vcl b/config/varnish.vcl
index 0e3fed4..45bd7fb 100644
--- a/config/varnish.vcl
+++ b/config/varnish.vcl
@@ -1,4 +1,48 @@
-backend default {
-  .host = "127.0.0.1";
-  .port = "8080";
+acl purge {
+    "localhost";
+    "127.0.0.1";
+}
+
+backend sqlapi {
+    .host = "127.0.0.1";
+    .port = "8080";
+}
+
+backend windshaft {
+    .host = "127.0.0.1";
+    .port = "8181";
+}
+
+sub vcl_recv {
+    # Allowing PURGE from localhost
+    if (req.request == "PURGE") {
+        if (!client.ip ~ purge) {
+            error 405 "Not allowed.";
+        }
+        return (lookup);
+    }
+
+    # Routing request to backend based on X-Carto-Service header from nginx
+    if (req.http.X-Carto-Service == "sqlapi") {
+        set req.backend = sqlapi;
+        remove req.http.X-Carto-Service;
+    }
+    if (req.http.X-Carto-Service == "windshaft") {
+        set req.backend = windshaft;
+        remove req.http.X-Carto-Service;
+    }
+}
+
+sub vcl_hit {
+    if (req.request == "PURGE") {
+        purge;
+        error 200 "Purged.";
+    }
+}
+
+sub vcl_miss {
+    if (req.request == "PURGE") {
+        purge;
+        error 200 "Purged.";
+    }
 }