Update master_push.yml

.github/workflows/master_push.yml

@@ -34,6 +34,15 @@ jobs:
     steps:
     - name: Checkout
       uses: actions/checkout@v4
+    - name: App Settings Variable Substitution
+      uses: microsoft/variable-substitution@v1
+      with:
+        files: ${{ github.workspace }}/${{ matrix.app }}/${{ matrix.app }}/appsettings.json
+      env:
+        ConnectionStrings.Default: ${{ secrets.CONNECTION_STRING }}
+        RootUser.Email: ${{ secrets.ROOT_EMAIL }}
+        RootUser.Password: ${{ secrets.ROOT_PASSWORD }}
+        Authentication.Key: ${{ secrets.KEY }}
     - name: Set up Docker Buildx
       uses: docker/setup-buildx-action@v3
     - name: Login to GitHub Container Registry
@@ -50,4 +59,4 @@ jobs:
       uses: docker/build-push-action@v5
       with:
         file: ${{ github.workspace }}/${{ matrix.app }}/${{ matrix.app }}/Dockerfile
-        push: false
+        push: true