nixos/docker-containers: add imageFile and dependsOn options

- the `imageFile` option allows to load an image from a derivation
- the  `dependsOn` option can be used to specify dependencies between container systemd units.

Co-authored-by: Christian Höppner <mkaito@users.noreply.github.com>

1 files changed, 5 insertions, 4 deletions

diff --git a/nixos/tests/docker-containers.nix b/nixos/tests/docker-containers.nix
index 972552735202..9be9bfa80ce0 100644
--- a/nixos/tests/docker-containers.nix
+++ b/nixos/tests/docker-containers.nix
@@ -1,9 +1,11 @@
 # Test Docker containers as systemd units
 
-import ./make-test.nix ({ pkgs, lib, ... }: {
+import ./make-test.nix ({ pkgs, lib, ... }:
+
+{
   name = "docker-containers";
   meta = {
-    maintainers = with lib.maintainers; [ benley ];
+    maintainers = with lib.maintainers; [ benley mkaito ];
   };
 
   nodes = {
@@ -11,10 +13,9 @@ import ./make-test.nix ({ pkgs, lib, ... }: {
       {
         virtualisation.docker.enable = true;
 
-        virtualisation.dockerPreloader.images = [ pkgs.dockerTools.examples.nginx ];
-
         docker-containers.nginx = {
           image = "nginx-container";
+          imageFile = pkgs.dockerTools.examples.nginx;
           ports = ["8181:80"];
         };
       };