diff --git a/Makefile b/Makefile
index 2a2d7d5..3866e0f 100644
--- a/Makefile
+++ b/Makefile
@@ -1,3 +1,4 @@
 prod_build:
-		python3 tag-generator.py
-		JEKYLL_BUILD=production bundle exec jekyll build
+	python3 tag-generator.py
+	JEKYLL_BUILD=production bundle exec jekyll build
+	docker buildx build --platform linux/arm64,linux/amd64 -t unitoo/website --push .
diff --git a/README.md b/README.md
index 43841de..70c934c 100644
--- a/README.md
+++ b/README.md
@@ -21,6 +21,4 @@ New Unitoo website based on Jekyll
 
 ## Build image
 
-1. `docker build -t unitoo/website .`
-
-2. `docker push unitoo/website`
+`docker buildx build --platform linux/arm64,linux/amd64 -t unitoo/website --push .`