server: minor performance tuning

system/hosts/server/files.nix

@@ -62,8 +62,23 @@ in {
         DISABLE_REGISTRATION = true;
         REGISTER_EMAIL_CONFIRM = true;
       };
+      cache = {
+        ADAPTER = "redis";
+        HOST = "redis+socket://${config.services.redis.servers.forgejo.unixSocket}";
       };
     };
+  };
+
+  systemd.services.forgejo = {
+    wants = [ "redis-forgejo.service" ];
+    after = [ "redis-forgejo.service" ];
+  };
+
+  users.users.forgejo.extraGroups = [ config.services.redis.servers.forgejo.user ];
+
+  services.redis.servers.forgejo = {
+    enable = true;
+  };
 
   services.nginx.virtualHosts."cloud.${cfg.domainName}" = {
     quic = true;
@@ -82,6 +97,7 @@ in {
       dbtype = "pgsql";
       dbhost = "/run/postgresql";
     };
+    phpOptions."opcache.interned_strings_buffer" = "16";
     settings.overwriteprotocol = "https";
     hostName = "cloud.${cfg.domainName}";
     https = true;

system/hosts/server/mailserver.nix

@@ -27,6 +27,11 @@ in {
     hostName = "mail.${cfg.domainName}";
     maxAttachmentSize = 100;
     plugins = [ "persistent_login" ];
+    extraConfig = ''
+      $config['smtp_server'] = "tls://${config.mailserver.fqdn}";
+      $config['smtp_user'] = "%u";
+      $config['smtp_pass'] = "%p";
+    '';
   };
   mailserver = {
     enable = true;

system/hosts/server/matrix.nix

@@ -71,6 +71,8 @@ in {
     };
   };
 
+  environment.systemPackages = with pkgs; [ matrix-synapse-tools.rust-synapse-compress-state ];
+
   services.matrix-synapse = {
     enable = true;
     extraConfigFiles = [ "/var/lib/matrix-synapse/config.yaml" ];

system/modules/impermanence.nix

@@ -133,9 +133,12 @@ in {
         { directory = /var/lib/${config.services.prometheus.stateDir}; user = "prometheus"; group = "prometheus"; mode = "0755"; }
       ] ++ lib.optionals (config.services.qbittorrent-nox.enable or false) [
         { directory = /var/lib/qbittorrent-nox; mode = "0755"; }
-      ] ++ lib.optionals (config.services.redis.servers.rspamd.enable or false) [
-        { directory = /var/lib/redis-rspamd; user = "redis-rspamd"; group = "redis-rspamd"; mode = "0700"; }
-      ] ++ lib.optionals config.services.roundcube.enable [
+      ] ++ (lib.mapAttrsToList
+        (k: v: let
+            name = if k == "" then "redis" else "redis-${k}";
+          in { directory = /var/lib/${name}; inherit (v) user; group = v.user; mode = "0700"; })
+        (lib.filterAttrs (k: v: v.enable or false) config.services.redis.servers))
+      ++ lib.optionals config.services.roundcube.enable [
         { directory = /var/lib/roundcube; user = "roundcube"; group = "roundcube"; mode = "0700"; }
       ] ++ lib.optionals config.services.rspamd.enable [
         { directory = /var/lib/rspamd; user = "rspamd"; group = "rspamd"; mode = "0700"; }