server: nextcloud: enable redis for nextcloud

modules/services/server/nextcloud.nix

@@ -8,6 +8,19 @@
         package = pkgs.nextcloud26;
         enableBrokenCiphersForSSE = false;
         database.createLocally = false;
+        caching = {
+            redis = true;
+            apcu = false;
+        };
+        extraOptions = {
+            redis = {
+                host = "/run/redis-nextcloud/redis.sock";
+                port = 0;
+            };
+            "memcache.local" = "\\OC\\Memcache\\Redis";
+            "memcache.distributed" = "\\OC\\Memcache\\Redis";
+            "memcache.locking" = "\\OC\\Memcache\\Redis";
+        };
         config = {
             dbtype = "pgsql";
             dbuser = "nextcloud";
@@ -25,6 +38,12 @@
     #autoUpdateApps.enable = true;
     };
 
+    services.redis.servers.nextcloud = {
+        enable = true;
+        user = "nextcloud";
+        port = 0;
+    };
+
     services.nginx = {
       enable = true;
       virtualHosts = {