test: setting up opencloud and microvms

modules/nixos/services/caddy/caddy0/default.nix

@@ -0,0 +1,33 @@
+{ flake, ... }:
+let
+  inherit (flake.config.services) instances;
+  inherit (flake.config.machines.devices) eris;
+  opencloud = instances.opencloud0;
+  service = instances.caddy;
+in
+{
+  services.caddy = {
+    enable = true;
+    virtualHosts = {
+      "${opencloud.domains.url0}" = {
+        extraConfig = ''
+          reverse_proxy ${eris.ip.address0}:${builtins.toString service.ports.port1} {
+            transport http {
+              tls
+              tls_insecure_skip_verify
+            }
+          }
+        '';
+      };
+    };
+  };
+
+  networking = {
+    firewall = {
+      allowedTCPPorts = [
+        service.ports.port0
+        service.ports.port1
+      ];
+    };
+  };
+}