system/podman: have module available

machines/newton/configuration.nix

@@ -2,14 +2,13 @@
 {
   imports = [
     ./boot.nix
-    ./hardware-configuration.nix
     ./disks.nix
+    ./hardware-configuration.nix
     ./network.nix
-    ./syncthing.nix
     ./services.nix
-    ../../legacy/modules/docker.nix
+    ./syncthing.nix
+    ./system.nix
     ../../legacy/modules/networkdecrypt.nix
-    ../../legacy/modules/nix.nix
   ];
 
   networking.hostName = "newton";

machines/newton/system.nix

@@ -0,0 +1,10 @@
+# enabled system services
+{ config, lib, ... }:
+let
+  secrets = config.sops.secrets;
+in
+{
+  my.system = {
+    podman.enable = true;
+  };
+}

machines/thinkman/configuration.nix

@@ -4,6 +4,7 @@
     ./disks.nix
     ./hardware-configuration.nix
     ./services.nix
+    ./system.nix
     ../../legacy/modules/3d-design.nix
     ../../legacy/modules/android.nix
     ../../legacy/modules/avahi.nix
@@ -12,7 +13,6 @@
     ../../legacy/modules/desktop-default.nix
     ../../legacy/modules/desktop-development.nix
     ../../legacy/modules/development.nix
-    ../../legacy/modules/docker.nix
     ../../legacy/modules/filesystem.nix
     ../../legacy/modules/gaming.nix
     ../../legacy/modules/hardware-base.nix
@@ -22,7 +22,6 @@
     ../../legacy/modules/location.nix
     ../../legacy/modules/media.nix
     ../../legacy/modules/meeting.nix
-    ../../legacy/modules/nix.nix
     ../../legacy/modules/power.nix
     ../../legacy/modules/presentation.nix
     ../../legacy/modules/printer.nix

machines/thinkman/system.nix

@@ -0,0 +1,10 @@
+# enabled system services
+{ config, lib, ... }:
+let
+  secrets = config.sops.secrets;
+in
+{
+  my.system = {
+    podman.enable = true;
+  };
+}

modules/default.nix

@@ -3,5 +3,6 @@
   imports = [
     ./hardware
     ./services
+    ./system
   ];
 }

modules/system/default.nix

@@ -2,6 +2,7 @@
 {
   imports = [
     ./docker
+    ./podman
   ];
 }
 

modules/system/podman/default.nix

@@ -0,0 +1,30 @@
+# Podman related settings
+{ config, inputs, lib, options, pkgs, ... }:
+let
+  cfg = config.my.system.podman;
+in
+{
+  options.my.system.podman = with lib; {
+    enable = mkEnableOption "podman configuration";
+  };
+
+  config = lib.mkIf cfg.enable {
+
+    environment.systemPackages = with pkgs; [
+      podman-compose
+    ];
+
+    virtualisation.podman = {
+      enable = true;
+
+      # Use fake `docker` command to redirect to `podman`
+      dockerCompat = true;
+
+      # Expose a docker-like socket
+      dockerSocket.enable = true;
+
+      # Allow DNS resolution in the default network
+      defaultNetwork.dnsname.enable = true;
+    };
+  };
+}