Configure Matrix host

Co-authored-by: julian <julian@jsts.xyz>

config/hosts/matrix/postgresql.nix

@@ -0,0 +1,17 @@
+{ pkgs, config, ... }:
+
+{
+  services.postgresql = {
+    enable = true;
+    
+    initialScript = pkgs.writeText "synapse-init.sql" ''
+      CREATE ROLE "matrix-synapse" WITH LOGIN PASSWORD 'synapse';
+      CREATE DATABASE "matrix-synapse" WITH OWNER "matrix-synapse"
+        TEMPLATE template0
+        LC_COLLATE = "C"
+        LC_CTYPE = "C";
+    '';
+
+    dataDir = "/mnt/data/postgresql/${config.services.postgresql.package.psqlSchema}";
+  };
+}