Update build-p2-site.yaml

.github/workflows/build-p2-site.yaml

@@ -4,7 +4,9 @@ env:
   TARGET: '2023-09-java21'
   BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
   DEPLOY_SECRET: ${{ secrets.SSH_PRIVATE_KEY_ED25519_BASE64 }}
-
+  REGISTRY: ghcr.io
+  IMAGE_NAME: ${{ github.repository }}
+
 on:
   push:
   workflow_dispatch:
@@ -29,17 +31,14 @@ jobs:
       - name: Log in to the Container registry
         uses: docker/login-action@v3
         with:
-          registry: ghcr.io
+          registry: ${{ REGISTRY }}
           username: ${{ github.actor }}
           password: ${{ secrets.GITHUB_TOKEN }}
       - name: Extract metadata (tags, labels) for Docker
         id: meta
         uses: docker/metadata-action@v5
         with:
           images: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}
-          tags: |
-            type=ref,event=push
-            type=ref,event=workflow_dispatch
       - name: Build and push Docker image
         id: push
         uses: docker/build-push-action@v6