From 27c1fe3f3795037325d44f90380dcf85624599b0 Mon Sep 17 00:00:00 2001
From: Gabriel Kaszewski <gabrielkaszewski@gmail.com>
Date: Fri, 19 Jun 2026 13:13:23 +0200
Subject: [PATCH] optimize esp32 release binary size: 1.7MB -> 1.1MB

---
 crates/client-esp32/Cargo.toml         | 10 ++++++++++
 crates/client-esp32/sdkconfig.defaults |  7 +++++++
 2 files changed, 17 insertions(+)

diff --git a/crates/client-esp32/Cargo.toml b/crates/client-esp32/Cargo.toml
index b709cd1..7214abc 100644
--- a/crates/client-esp32/Cargo.toml
+++ b/crates/client-esp32/Cargo.toml
@@ -26,5 +26,15 @@ postcard = { version = "1.1", default-features = false, features = ["alloc"] }
 
 log = "0.4"
 
+[profile.release]
+opt-level = "s"
+lto = true
+strip = true
+panic = "abort"
+codegen-units = 1
+
+[profile.dev]
+panic = "abort"
+
 [build-dependencies]
 embuild = "0.33"
diff --git a/crates/client-esp32/sdkconfig.defaults b/crates/client-esp32/sdkconfig.defaults
index 8083e34..a39abec 100644
--- a/crates/client-esp32/sdkconfig.defaults
+++ b/crates/client-esp32/sdkconfig.defaults
@@ -19,3 +19,10 @@ CONFIG_PARTITION_TABLE_SINGLE_APP_LARGE=y
 CONFIG_ESP_TASK_WDT_TIMEOUT_S=30
 CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU0=n
 CONFIG_ESP_TASK_WDT_CHECK_IDLE_TASK_CPU1=n
+
+# Disable Bluetooth (unused)
+CONFIG_BT_ENABLED=n
+
+# Reduce log verbosity
+CONFIG_LOG_DEFAULT_LEVEL_INFO=y
+CONFIG_LOG_MAXIMUM_LEVEL_INFO=y