try to create tag and image name once

.github/workflows/webhook.yml

@@ -58,19 +58,20 @@ jobs:
       packages: write # push docker images
     steps:
       - uses: actions/checkout@v4
-      - run: echo "VERSION=$(cat version.txt)" >> "$GITHUB_OUTPUT"
-        id: version-selector
+      - run: |
+          echo "VERSION=$(cat version.txt)" >> "$GITHUB_OUTPUT"
+          echo "TAG_NAME=${{ env.GIT_TAG_PREFIX }}${{ steps.naming-selector.outputs.VERSION }}" >> "$GITHUB_OUTPUT"
+          echo "IMAGE_NAME=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.naming-selector.outputs.VERSION }}" >> "$GITHUB_OUTPUT"
+        id: naming-selector
         name: generate image name
 
       - run: |
-          IMAGE_NAME=${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version-selector.outputs.VERSION }}
-          ! docker manifest inspect $IMAGE_NAME
+          ! docker manifest inspect ${{ steps.naming-selector.outputs.IMAGE_NAME }}
         name: confirm image is not already pushed
 
       - run: |
-          TAG_NAME=${{ env.GIT_TAG_PREFIX }}${{ steps.version-selector.outputs.VERSION }}
           git fetch --tags
-          ! git rev-parse -q --verify "refs/tags/$TAG_NAME"
+          ! git rev-parse -q --verify "refs/tags/${{ steps.naming-selector.outputs.TAG_NAME }}"
         name: confirm git tag does not exist
 
       - uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
@@ -83,12 +84,12 @@ jobs:
 #        with:
 #          context: ${{ env.WORKING_DIR }}
 #          push: true
-#          tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ steps.version-selector.outputs.VERSION }}
+#          tags: ${{ steps.naming-selector.outputs.IMAGE_NAME }}
 
       - uses: mathieudutour/[email protected]
         id: tag_version
         with:
-          custom_tag: ${{ env.GIT_TAG_PREFIX }}${{ steps.version-selector.outputs.VERSION }}
+          custom_tag: ${{ steps.naming-selector.outputs.TAG_NAME }}
           github_token: ${{ secrets.GITHUB_TOKEN }}
 
       - uses: ncipollo/release-action@v1