feat: monitoring + containers - grafana + prometheus + node_exporter + other exporters

hosts/idols_kana/oci-containers/default.nix

@@ -0,0 +1,28 @@
+{
+  lib,
+  mylib,
+  ...
+}: {
+  imports = mylib.scanPaths ./.;
+
+  virtualisation = {
+    docker.enable = lib.mkForce false;
+    podman = {
+      enable = true;
+      # Create a `docker` alias for podman, to use it as a drop-in replacement
+      dockerCompat = true;
+      # Required for containers under podman-compose to be able to talk to each other.
+      defaultNetwork.settings.dns_enabled = true;
+      # Periodically prune Podman resources
+      autoPrune = {
+        enable = true;
+        dates = "weekly";
+        flags = ["--all"];
+      };
+    };
+
+    oci-containers = {
+      backend = "podman";
+    };
+  };
+}