home lab init

nixos/hosts/docker-host.nix

@@ -0,0 +1,46 @@
+{ config, pkgs, modulesPath, lib, ... }:
+
+{
+  # Pull in all the shared settings from configuration.nix
+  imports = [ ../configuration.nix ];
+
+  config = lib.recursiveUpdate config ({
+    # (Here, add anything live‐VM‐specific—e.g. NFS mounts, Docker, Compose service,
+    #  static IP, or “import users/plasmagoat.nix” if you prefer.)
+
+    networking.interfaces.enp0s25 = {
+      useDHCP = false;
+      ipv4.addresses = [ { address = "192.168.1.50"; prefixLength = 24; } ];
+      ipv4.gateway = "192.168.1.1";
+    };
+
+    # Docker + Compose bits, for example:
+    fileSystems."/mnt/nas" = {
+      device = "192.168.1.100:/export/docker-volumes";
+      fsType = "nfs";
+      options = [ "defaults" "nofail" "x-systemd.requires=network-online.target" ];
+    };
+
+    environment.systemPackages = with pkgs; [
+      pkgs.docker
+      pkgs.docker-compose
+      # …plus anything else you want only on live VM…
+    ];
+
+    services.docker.enable = true;
+
+    systemd.services.dockerComposeApp = {
+      description = "Auto-start Docker‐Compose stack";
+      after = [ "network-online.target" "docker.service" ];
+      wants = [ "network-online.target" "docker.service" ];
+      serviceConfig = {
+        WorkingDirectory = "/etc/docker-compose-app";
+        ExecStart = "${pkgs.docker-compose}/bin/docker-compose -f /etc/docker-compose-app/docker-compose.yml up";
+        ExecStop  = "${pkgs.docker-compose}/bin/docker-compose -f /etc/docker-compose-app/docker-compose.yml down";
+        Restart = "always";
+        RestartSec = 10;
+      };
+      wantedBy = [ "multi-user.target" ];
+    };
+  });
+}