diff --git a/.github/workflows/publish.yml b/.github/workflows/publish.yml
index da1133b..d3d8b89 100644
--- a/.github/workflows/publish.yml
+++ b/.github/workflows/publish.yml
@@ -3,6 +3,9 @@ on:
   push:
     branches: 
       - main
+  pull_request:
+    branches: 
+      - main
 
 env:
   REGISTRY: ghcr.io
@@ -30,6 +33,7 @@ jobs:
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
+          tags: type=sha
 
       - name: Build and push image
         uses: docker/build-push-action@v5
@@ -37,5 +41,5 @@ jobs:
           context: .
           file: Dockerfile
           push: true
-          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.meta.outputs.tags }}
+          tags: ${{ steps.meta.outputs.tags }}
           labels: ${{ steps.meta.outputs.labels }}