fix(OVHCloud): Properly configure podman

hosts/OVHCloud/default.nix

@@ -31,6 +31,17 @@
     "ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHQyRXFQ6iA5p0vDuoGSHZfajiVZPAGIyqhTziM7QgBV gaspard@nixos"
   ];
 
+  # Podman
+  virtualisation = {
+    containers.enable = true;
+    oci-containers.backend = "podman";
+    podman = {
+      enable = true;
+      # Required for containers under podman-compose to be able to talk to each other.
+      defaultNetwork.settings.dns_enabled = true;
+    };
+  };
+
   environment.systemPackages = with pkgs; [
     helix
     git