Create publish-backend.yml

Author: dLopes-SE

.github/workflows/publish-backend.yml

@@ -0,0 +1,35 @@
+name: Publish .NET Backend to GHCR
+
+on:
+  push:
+    branches:
+      - main
+
+permissions:
+  contents: read
+  packages: write
+
+jobs:
+  build-and-push:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Log in to GitHub Container Registry
+        uses: docker/login-action@v3
+        with:
+          registry: ghcr.io
+          username: dlopes-se
+          password: ${{ secrets.GHCR_PAT }}
+
+      - name: Build and push backend image
+        uses: docker/build-push-action@v5
+        with:
+          context: ./src
+          file: ./src/Dockerfile
+          push: true
+          tags: |
+            ghcr.io/dlopes-se/dotnet-qrshop:latest
+            ghcr.io/dlopes-se/dotnet-qrshop:${{ github.sha }}