add garage instance

modules/garage.nix

@@ -0,0 +1,44 @@
+{
+  config,
+  pkgs,
+  self,
+  ...
+}:
+let
+  zerotier_interface = "zts7mq7onf";
+  zerotier_ip =
+    self.nixosConfigurations.${config.networking.hostName}.config.clan.core.vars.generators.zerotier.files.zerotier-ip.value;
+in
+{
+  services.garage = {
+    package = pkgs.garage;
+    settings = {
+      metadata_dir = "/var/lib/garage/meta";
+      data_dir = "/var/lib/garage/data";
+      db_engine = "sqlite";
+
+      replication_factor = 2;
+
+      rpc_bind_addr = "[${zerotier_ip}]:3901";
+
+      s3_api = {
+        api_bind_addr = "127.0.0.1:3900";
+        s3_region = "garage";
+        root_domain = ".s3.garage.home.rpqt.fr";
+      };
+
+      s3_web = {
+        bind_addr = "127.0.0.1:3902";
+        root_domain = ".web.garage.home.rpqt.fr";
+      };
+
+      admin = {
+        api_bind_addr = "127.0.0.1:3903";
+      };
+    };
+  };
+
+  networking.firewall.interfaces.${zerotier_interface} = {
+    allowedTCPPorts = [ 3901 ];
+  };
+}