ADD: adding workflow to create container image when tagging

.github/workflows/build_tagged_container.yml

@@ -0,0 +1,35 @@
+name: build-tagged-container
+
+on:
+  push:
+    tags:
+    - '*'
+env:
+  REGISTRY: ghcr.io
+
+jobs:
+  build-tagged-container:
+    runs-on: ubuntu-latest
+    steps:
+    - name: Get tag
+      id: tag
+      uses: dawidd6/action-get-tag@v1
+      with:
+            # Optionally strip `v` prefix
+        strip_v: true
+    - name: Checkout Code
+      uses: actions/checkout@v4
+    - name: Login to GitHub Container Registry
+      uses: docker/login-action@v1
+      with:
+        registry: ${{ env.REGISTRY }}
+        username: ${{ github.repository_owner }}
+        password: ${{ secrets.REGISTRY_TOKEN }}
+    - name: Build and Push Docker Image
+      uses: docker/build-push-action@v5
+      with:
+        file: ./Dockerfile.prod
+        push: true             # Will only build if this is not here
+        tags: ${{ env.REGISTRY }}/${{ github.repository }}:${{steps.tag.outputs.tag}}
+        secrets: |
+          "BRANCH_NAME=${{ github.head_ref || github.ref_name }}"