Bump flake.lock and fix stateVersion

common/linux.nix

@@ -2,9 +2,13 @@
   boot.kernelPackages = pkgs.linuxPackages;
   boot.supportedFilesystems = ["ntfs"];
 
-  system.stateVersion = "unstable";
+  system.stateVersion = "23.05";
+
   system.autoUpgrade.enable = true;
 
+  # See: https://github.com/NixOS/nixpkgs/issues/180175
+  systemd.services.NetworkManager-wait-online.enable = false;
+
   nix.extraOptions = "experimental-features = nix-command flakes";
   nix.package = pkgs.nixUnstable;
 
@@ -45,9 +49,17 @@
   };
 
   virtualisation.docker.enable = true;
-  virtualisation.podman.enable = true;
   virtualisation.libvirtd.enable = true;
 
+  virtualisation = {
+    podman = {
+      enable = true;
+
+      # Required for containers under podman-compose to be able to talk to each other.
+      defaultNetwork.dnsname.enable = true;
+    };
+  };
+
   programs.gnupg.agent = {
     enable = true;
     enableSSHSupport = true;