From cbfe8558530b917870fb84f7fefbe216ea5f6c7e Mon Sep 17 00:00:00 2001
From: mjallen18 <matt.l.jallen@gmail.com>
Date: Mon, 16 Mar 2026 17:28:58 -0500
Subject: [PATCH] nuc

---
 modules/nixos/homeassistant/services/esphome/default.nix | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/modules/nixos/homeassistant/services/esphome/default.nix b/modules/nixos/homeassistant/services/esphome/default.nix
index a93722d..a6518fe 100644
--- a/modules/nixos/homeassistant/services/esphome/default.nix
+++ b/modules/nixos/homeassistant/services/esphome/default.nix
@@ -16,6 +16,10 @@ in
       ports = [ "6052:6052" ];
       volumes = [
         "/var/lib/esphome:/config"
+        # Persist the PlatformIO core dir (penv, packages, platforms) so the
+        # pioarduino penv_setup.py dependency install only runs once rather
+        # than on every container restart.
+        "/var/lib/esphome/.platformio:/root/.platformio"
       ];
       environment = {
         TZ = "America/Chicago";