Add .gitea /workflows/build-and-test.yml_

.gitea /workflows/build-and-test.yml_

@@ -0,0 +1,26 @@
+name: Build and Test
+
+run-name: ${{ gitea.actor }} is building Runtime NuGet Package update 🚀
+
+on: [push] # Triggers the workflow on push events
+
+jobs:
+  build-image:
+    runs-on: ubuntu-latest # Specifies the runner environment
+    steps:
+      - name: Checkout Code
+        uses: actions/checkout@v4 # Uses a standard action to check out the repository code
+
+      - name: Login to the DockerHub registry
+        uses: docker/login-action@v3
+        with:
+          username: ${{ secrets.DOCKERHUB_USERNAME }}
+          password: ${{ secrets.DOCKERHUB_TOKEN }}
+
+      - name: Build Docker image
+        run: |
+          docker build -t ${{ vars.DOCKERHUB_IMAGENAME }} .
+          docker push ${{ vars.DOCKERHUB_IMAGENAME }}
+
+      - name: Run tests (example)
+        run: docker run --rm ${{ vars.DOCKERHUB_IMAGENAME }}