merge fix

docker-compose.yml

@@ -1,6 +1,16 @@
 version: '3.3'
 
 services:
+  varnish:
+    image: varnish:7.3
+    container_name: varnish
+    volumes:
+      - "./docker/varnish/default.vcl:/etc/varnish/default.vcl"
+    ports:
+      - "8081:80"
+    depends_on:
+      - "app"
+
   app:
     depends_on:
       - app_db
@@ -16,17 +26,13 @@ services:
       USING_XDEBUG: ${USING_XDEBUG:-}
     ports:
       - '8091:80'
-    networks:
-      local:
 
   app_db:
     image: mariadb:10.11
     env_file:
       - .env.dist
     ports:
       - '3306'
-    networks:
-      local:
 
   testing:
     depends_on:
@@ -42,18 +48,10 @@ services:
     environment:
       WP_URL: http://localhost
       USING_XDEBUG: ${USING_XDEBUG:-}
-    networks:
-      local:
 
   testing_db:
     image: mariadb:10.11
     env_file:
       - .env.testing
     ports:
       - '3306'
-    networks:
-      local:
-
-
-networks:
-  local:

docker/varnish/default.vcl

@@ -0,0 +1,49 @@
+vcl 4.1;
+
+import xkey;
+
+backend default {
+    .host = "app";
+    .port = "80";
+}
+
+sub vcl_deliver {
+	if (obj.hits > 0) {
+		set resp.http.X-Cache = "HIT: " + obj.hits;
+	} else {
+		set resp.http.X-Cache = "MISS";
+	}
+}
+
+sub vcl_recv {
+
+    set req.http.host = "localhost:8091";
+
+    if (req.method == "PURGE_GRAPHQL") {
+        set req.http.n-gone = 0;
+
+        if (req.http.GraphQL-Purge-Keys && req.http.GraphQL-URL ) {
+            set req.http.xkeyPrefix = req.http.GraphQL-URL;
+
+            # replace commas with spaces
+            set req.http.cleanPurgeKeys = regsuball(req.http.GraphQL-Purge-Keys, "(\,+),?", " ");
+
+            # find all strings separated by space and add the host as a prefix.
+            set req.http.purgeKeys = regsuball(req.http.cleanPurgeKeys, "(\S+),?", req.http.xkeyPrefix + ":\1");
+
+            # call xkey.purge on the keys sent in the GraphQL-Purge-Keys header(s)
+            set req.http.n-gone = xkey.purge( req.http.purgeKeys );
+        }
+
+        # Return 200, reason showing how many queries were invalidated
+        return (synth(200, "Invalidated GraphQL Queries: "+req.http.purgeKeys+" "+req.http.n-gone));
+    }
+}
+
+sub vcl_backend_response {
+	if ( beresp.http.X-GraphQL-Keys ) {
+
+        set beresp.http.xkeyPrefix = beresp.http.X-GraphQL-URL;
+        set beresp.http.xkey = regsuball(beresp.http.X-GraphQL-Keys, "(\S+),?", beresp.http.xkeyPrefix + ":\1");
+	}
+}