diff --git a/nixos-apps/default.nix b/nixos-apps/default.nix
index 8c5e9e2..50c44ad 100644
--- a/nixos-apps/default.nix
+++ b/nixos-apps/default.nix
@@ -11,6 +11,8 @@
 
     ./fancytypist.com.nix
     ./hydra.fancyTypist.com.nix
+
+    ./erp.fancyTypist.dev.nix
   ];
 
   # when in doubt, clear away the certs with
diff --git a/nixos-apps/erp.fancyTypist.dev.nix b/nixos-apps/erp.fancyTypist.dev.nix
new file mode 100644
index 0000000..9e0f56d
--- /dev/null
+++ b/nixos-apps/erp.fancyTypist.dev.nix
@@ -0,0 +1,13 @@
+{
+  services.dolibarr = {
+    enable = true;
+    domain = "erp.fancyTypist.dev";
+    database.passwordFile = "/run/keys/dolibarr-db-ini-password";
+    nginx = {
+      forceSSL = true;
+      enableACME = true;
+    };
+  };
+
+  networking.firewall.allowedTCPPorts = [ 80 ];
+}