Replace docker with podman

Signed-off-by: Nikolaos Karaolidis <nick@karaolidis.com>

hosts/common/configs/system/podman/default.nix

@@ -0,0 +1,17 @@
+{ pkgs, ... }:
+{
+  virtualisation = {
+    containers.enable = true;
+    oci-containers.backend = "podman";
+    podman.enable = true;
+  };
+
+  environment = {
+    persistence."/persist"."/var/lib/containers" = { };
+
+    systemPackages = with pkgs; [
+      podman-compose
+      dive
+    ];
+  };
+}

hosts/common/configs/user/console/podman/default.nix

@@ -0,0 +1,19 @@
+{
+  user ? throw "user argument is required",
+  home ? throw "home argument is required",
+}:
+{ lib, pkgs, ... }:
+{
+  home-manager.users.${user} = {
+    services.podman.enable = true;
+
+    home = {
+      packages = with pkgs; [
+        podman-compose
+        dive
+      ];
+
+      sessionVariables.REGISTRY_AUTH_FILE = "${home}/.config/containers/auth.json";
+    };
+  };
+}