1 files changed, 1 insertions, 1 deletions
diff --git a/Dockerfile b/Dockerfile
index 04fb96a..4b0f30f 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,6 +1,6 @@
 FROM emscripten/emsdk as build
 COPY reduced_system_layer.c /usr/reduced_system_layer.c
-RUN emcc -o /usr/index.wasm /usr/reduced_system_layer.c
+RUN emcc -D REDUCED_SYSTEM_LAYER_EXAMPLE -s ERROR_ON_UNDEFINED_SYMBOLS=0 -s EXPORTED_FUNCTIONS=_js_main,_js_init,_js_pixels,_js_frame -o /usr/index.wasm /usr/reduced_system_layer.c
 
 FROM nginx:alpine
 EXPOSE 80