diff --git a/examples/custom-image/arion-compose.nix b/examples/custom-image/arion-compose.nix
new file mode 100644
index 0000000..0436eaf
--- /dev/null
+++ b/examples/custom-image/arion-compose.nix
@@ -0,0 +1,33 @@
+{ pkgs, ... }:
+
+let
+  webRoot = "/www";
+
+  webserverImage = pkgs.dockerTools.buildLayeredImage {
+    name = "a-webserver";
+
+    config = {
+      Entrypoint = [
+        "${pkgs.darkhttpd}/bin/darkhttpd" webRoot
+      ];
+
+      Volumes = {
+        "${webRoot}" = {};
+      };
+    };
+  };
+in {
+  config.services = {
+
+    webserver = {
+      image.drv = webserverImage;
+      service.command = [ "--port" "8000" ];
+      service.ports = [
+        "8000:8000" # host:container
+      ];
+      service.volumes = [
+        "${webRoot}:${pkgs.nix.doc}/share/doc/nix/manual"
+      ];
+    };
+  };
+}
diff --git a/examples/custom-image/arion-pkgs.nix b/examples/custom-image/arion-pkgs.nix
new file mode 100644
index 0000000..69aad13
--- /dev/null
+++ b/examples/custom-image/arion-pkgs.nix
@@ -0,0 +1,6 @@
+# Instead of pinning Nixpkgs, we can opt to use the one in NIX_PATH
+import <nixpkgs> {
+  # We specify the architecture explicitly. Use a Linux remote builder when
+  # calling arion from other platforms.
+  system = "x86_64-linux";
+}
diff --git a/tests/arion-test/default.nix b/tests/arion-test/default.nix
index 5bea4fe..7d26e9c 100644
--- a/tests/arion-test/default.nix
+++ b/tests/arion-test/default.nix
@@ -31,6 +31,7 @@ in
       # Pre-build the image because we don't want to build the world
       # in the vm.
       (preEval [ ../../examples/minimal/arion-compose.nix ]).config.out.dockerComposeYaml
+      (preEval [ ../../examples/custom-image/arion-compose.nix ]).config.out.dockerComposeYaml
       (preEval [ ../../examples/full-nixos/arion-compose.nix ]).config.out.dockerComposeYaml
       (preEval [ ../../examples/nixos-unit/arion-compose.nix ]).config.out.dockerComposeYaml
       pkgs.stdenv
@@ -53,6 +54,7 @@ in
     };
 
     $makeSubtest->("minimal", "${../../examples/minimal}");
+    $makeSubtest->("custom-image", "${../../examples/custom-image}");
     $makeSubtest->("full-nixos", "${../../examples/full-nixos}", sub {
       $machine->succeed("cd work && export NIX_PATH=nixpkgs='${pkgs.path}' && (echo 'nix run -f ~/h/arion arion -c arion exec webserver'; echo 'target=world; echo Hello \$target'; echo exit) | script /dev/null | grep 'Hello world'");
     });