diff --git a/.github/workflows/build_image.yml b/.github/workflows/build_image.yml
index bc2ea14..6fd2da5 100644
--- a/.github/workflows/build_image.yml
+++ b/.github/workflows/build_image.yml
@@ -2,7 +2,7 @@ name: build_image
 
 on:
   push:
-    branches: ["main"]
+    branches: ["iotex-stg"]
     tags: ["v*.*.*"]
 
 env:
@@ -59,7 +59,6 @@ jobs:
         with:
           platforms: linux/amd64
           context: .
-          file: ./Dockerfile
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta-web.outputs.tags }}
           labels: ${{ steps.meta-web.outputs.labels }}
@@ -75,9 +74,8 @@ jobs:
         id: build-and-push-nginx
         uses: docker/build-push-action@v4
         with:
-          context: .
+          context: ./nginx
           platforms: linux/amd64
-          file: ./nginx/Dockerfile
           push: ${{ github.event_name != 'pull_request' }}
           tags: ${{ steps.meta-nginx.outputs.tags }}
           labels: ${{ steps.meta-nginx.outputs.labels }}
diff --git a/nginx/Dockerfile b/nginx/Dockerfile
index 3711da8..2d3abe8 100644
--- a/nginx/Dockerfile
+++ b/nginx/Dockerfile
@@ -6,7 +6,7 @@ RUN openssl req -x509 -newkey rsa:4096 -sha256 -days 3650 -nodes -keyout /etc/ng
 
 COPY nginx.conf /etc/nginx/nginx.conf
 
-COPY version.txt /usr/share/nginx/html/version.txt
+#COPY version.txt /usr/share/nginx/html/version.txt
 
 STOPSIGNAL SIGTERM