spec(eientei): migrate library configuration

spec/eientei/matrix.nix

@@ -0,0 +1,50 @@
+{ config
+, ... }: let
+  host = "514fpv.io";
+in {
+  services.matrix-synapse = {
+    enable = true;
+    withJemalloc = true;
+    dataDir = "/nix/persist/service/matrix";
+    extraConfigFiles = [ "/nix/persist/service/matrix/secrets.yml" ];
+
+    settings = {
+      server_name = host;
+      public_baseurl = "https://${host}:8448/";
+
+      listeners = [ {
+        bind_addresses = [ "127.0.0.1" ];
+        port = 8008;
+        tls = false;
+        type = "http";
+        x_forwarded = true;
+        resources = [
+          { compress = true; names = [ "client" ]; }
+          { compress = false; names = [ "federation" ]; }
+        ];
+      } ];
+
+       # turn server configuration
+       turn_uris = [
+         "turn:${config.services.coturn.realm}:3478?transport=udp"
+         "turn:${config.services.coturn.realm}:3478?transport=tcp"
+       ];
+       turn_user_lifetime = "1h";
+    };
+  };
+
+  services.nginx.virtualHosts.${host} = {
+    listen = [{ addr = "0.0.0.0"; port = 8448; ssl = true; }];
+    useACMEHost = host;
+    addSSL = true;
+    locations."/".extraConfig = ''
+      return 404;
+    '';
+    locations."/_matrix".proxyPass = "http://127.0.0.1:8008";
+    locations."/_synapse/client".proxyPass = "http://127.0.0.1:8008";
+  };
+
+  networking.firewall.allowedTCPPorts = [ 8448 ];
+
+  global.fs.zfs.mountpoints."/nix/persist/service/matrix" = "service/matrix";
+}