fix tagging

Author: davidkarlsen

.github/workflows/dockerimage.yml

@@ -12,9 +12,9 @@ jobs:
     - uses: actions/checkout@v2
       with:
         fetch-depth: '0'
-    - run: echo ::set-output name=tag_name::$(head -1 Dockerfile | awk '{print $2}' | tr ':' ' '| awk '{print $2}')
-      id: tag_name_step
+    - id: tagName
+      run: echo ::set-output name=tag_name::$(head -1 Dockerfile | awk '{print $2}' | tr ':' ' '| awk '{print $2}')
     - uses: anothrNick/github-tag-action@1.30.0
       env:
-        CUSTOM_TAG: ${{ steps.tag_name_step.tag_name }} 
+        CUSTOM_TAG: ${{ steps.tagName.outputs.tag_name }}
     #  docker build . --file Dockerfile --tag apache-php-web:$(awk -F ":" 'NR==1{print $2}' Dockerfile)