updated github action

Signed-off-by: Peter Siegmund <mars3142@users.noreply.github.com>

.github/workflows/esp32_build.yaml

@@ -39,6 +39,7 @@ jobs:
         with:
           esp_idf_version: ${{ matrix.idf_ver }}
           target: ${{ matrix.idf_target }}
+          extra_docker_args: -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.release"
       - name: Archive build output artifacts
         uses: actions/upload-artifact@v4
         with:

.gitignore

@@ -6,3 +6,4 @@ sdkconfig.old
 .espidf.*.json
 *.svd
 *.lock
+build-release/

Makefile

@@ -0,0 +1,2 @@
+release:
+	idf.py -B build-release -DSDKCONFIG_DEFAULTS="sdkconfig.defaults;sdkconfig.release" fullclean build