try using nix store

.woodpecker.yml

@@ -3,7 +3,10 @@ pipeline:
     image: nixos/nix:2.15.0
     environment:
       - NIX_CONFIG=experimental-features = nix-command flakes
+      - NIX_STORE_DIR=unix:///mnt/nix/var/nix/daemon-socket/socket?root=/mnt
     commands:
       - nix run 'nixpkgs#statix' check
       - nix run 'nixpkgs#deadnix' -- -f
       - nix run 'nixpkgs#yamllint' .
+    volumes:
+      - /nix:/mnt/nix:ro

flake.nix

@@ -119,12 +119,13 @@
             ++ [ (import ./nixos/templates/proxmox-lxc.nix) ];
         };
 
-        proxmox-vm = nixos-generators.nixosGenerate {
-          inherit system pkgs;
-          format = "proxmox";
-          modules = util.base_imports
-            ++ [ (import ./nixos/templates/proxmox-vm.nix) ];
-        };
+        # Broken
+        # proxmox-vm = nixos-generators.nixosGenerate {
+        #   inherit system pkgs;
+        #   format = "proxmox";
+        #   modules = util.base_imports
+        #     ++ [ (import ./nixos/templates/proxmox-vm.nix) ];
+        # };
       };
 
       # Use by running `nix develop`

nixos/common/common.nix

@@ -26,7 +26,6 @@
         "https://nix-community.cachix.org"
         "https://nixpkgs-review-bot.cachix.org"
         "https://colmena.cachix.org"
-        "https://hyprland.cachix.org"
         "https://cache.garnix.io"
         "https://0x76-infra.cachix.org"
         "https://webcord.cachix.org"
@@ -36,7 +35,6 @@
         "nix-community.cachix.org-1:mB9FSh9qf2dCimDSUo8Zy7bkq5CX+/rkCWyvRCYg3Fs="
         "nixpkgs-review-bot.cachix.org-1:eppgiDjPk7Hkzzz7XlUesk3rcEHqNDozGOrcLc8IqwE="
         "colmena.cachix.org-1:7BzpDnjjH8ki2CT3f6GdOk7QAzPOl+1t3LvTLXqYcSg="
-        "hyprland.cachix.org-1:a7pgxzMz7+chwVL3/pzj6jIBMioiJM7ypFP8PwtkuGc="
         "cache.garnix.io:CTFPyKSLcx5RMJKfLo5EEPUObbA78b0YQ2DTCJXqr9g="
         "0x76-infra.cachix.org-1:dC1qp+VEN3jj5pdK4URlXR9hf3atT+MnpKGu6PZjMc8="
         "webcord.cachix.org-1:l555jqOZGHd2C9+vS8ccdh8FhqnGe8L78QrHNn+EFEs="

nixos/hosts/olympus/woodpecker/configuration.nix

@@ -27,18 +27,19 @@ in {
     quoteEnvironmentValues = false; # Needed for docker
   };
 
-  # For some reason networking is broken in podman
   virtualisation.podman = {
-    enable = false;
+    enable = true;
     dockerSocket.enable = true;
     dockerCompat = true;
-  };
-
-  virtualisation.docker = {
-    enable = true;
     autoPrune.enable = true;
   };
 
+  # Fix DNS Lookup in podman
+  virtualisation.podman.defaultNetwork.settings.dns_enable = true;
+  networking.firewall.interfaces."podman+" = {
+    allowedUDPPorts = [ 53 ];
+    allowedTCPPorts = [ 53 ];
+  };
   services.woodpecker-server = {
     enable = true;
     environment = {
@@ -57,12 +58,12 @@ in {
     docker = {
       enable = true;
       environment = {
-        # DOCKER_HOST = "unix:///run/podman/podman.sock";
+        DOCKER_HOST = "unix:///run/podman/podman.sock";
         WOODPECKER_BACKEND = "docker";
         WOODPECKER_SERVER = "localhost:9000";
       };
       environmentFile = [ "${vs.woodpecker}/environment" ];
-      extraGroups = [ "docker" ];
+      extraGroups = [ "podman" ];
     };
   };
 }