Change ELX build workflow to only trigger on tags

Author: jhindersson

.github/workflows/docker-build.yaml

@@ -2,8 +2,10 @@ name: docker-build
 on:
   pull_request: {}
   push:
-    branches:
-      - "elx-vault-main"
+#    branches:
+#      - "elx-vault-main"
+    tags:
+      - ELX.*
 
 env:
   IMAGE_NAME: elx-vault
@@ -18,7 +20,7 @@ jobs:
     steps:
       - uses: actions/checkout@v5
       - name: Build image
-        run: docker build . --file Dockerfile --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"
+        run: docker build . --file Dockerfile.release --tag $IMAGE_NAME --label "runnumber=${GITHUB_RUN_ID}"
       - name: Log in to registry
         run: echo "${{ secrets.GITHUB_TOKEN }}" | docker login ghcr.io -u ${{ github.actor }} --password-stdin