From 0a7e176c1e7f7c4dc5c41281021ef07edc019da2 Mon Sep 17 00:00:00 2001
From: Drew Haven <periodic@blazestar.net>
Date: Tue, 29 Apr 2025 17:11:08 -0700
Subject: [PATCH] [dev] Sets up podman as a system package instead of
 homemanager.

---
 home-manager/features/development/docker.nix |  5 +----
 system/features/podman-dev.nix               | 14 ++++++++++++++
 system/hosts/altair/configuration.nix        |  1 +
 system/hosts/vega/configuration.nix          |  4 ++++
 4 files changed, 20 insertions(+), 4 deletions(-)
 create mode 100644 system/features/podman-dev.nix

diff --git a/home-manager/features/development/docker.nix b/home-manager/features/development/docker.nix
index 68e838d..226b062 100644
--- a/home-manager/features/development/docker.nix
+++ b/home-manager/features/development/docker.nix
@@ -1,9 +1,6 @@
 { pkgs, ... }:
 {
-  # Use podman over docker
-  services.podman = {
-    enable = true;
-  };
+  # Podman is enabled at the system level.
 
   home.packages = with pkgs; [
     podman-compose
diff --git a/system/features/podman-dev.nix b/system/features/podman-dev.nix
new file mode 100644
index 0000000..71bebd6
--- /dev/null
+++ b/system/features/podman-dev.nix
@@ -0,0 +1,14 @@
+{ ... }:
+{
+  virtualisation = {
+    podman = {
+      enable = true;
+
+      # Create a `docker` alias for podman, to use it as a drop-in replacement
+      dockerCompat = true;
+
+      # Required for containers under podman-compose to be able to talk to each other.
+      defaultNetwork.settings.dns_enabled = true;
+    };
+  };
+}
diff --git a/system/hosts/altair/configuration.nix b/system/hosts/altair/configuration.nix
index 2ee3f8a..a2e7dd7 100644
--- a/system/hosts/altair/configuration.nix
+++ b/system/hosts/altair/configuration.nix
@@ -10,6 +10,7 @@
 {
   imports = [
     ./qmk.nix
+    ../../features/podman-dev.nix
   ];
 
   networking.hostName = "altair"; # Define your hostname.
diff --git a/system/hosts/vega/configuration.nix b/system/hosts/vega/configuration.nix
index 5dac2f7..671defc 100644
--- a/system/hosts/vega/configuration.nix
+++ b/system/hosts/vega/configuration.nix
@@ -1,5 +1,9 @@
 { pkgs, ... }:
 {
+  imports = [
+    ../../features/podman-dev.nix
+  ];
+
   networking.hostName = "vega"; # Define your hostname.
 
   # Configure network proxy if necessary