a better backend deployment workflow

.gitea/workflows/workflow_deploy-container.yaml

@@ -0,0 +1,34 @@
+on:
+  workflow_call:
+    inputs:
+      overlay:
+        required: true
+        type: string
+    secrets:
+      KUBE_CONFIG:
+        required: true
+
+
+name: Deploy the newly built container
+
+
+jobs:
+  deploy:
+    name: Deploy
+    runs-on: ubuntu-latest
+    steps:
+
+    - uses: https://gitea.com/actions/checkout@v4
+      with:
+        submodules: true
+
+    - name: setup kubectl
+      uses: https://github.com/azure/setup-kubectl@v4
+
+    - name: Set kubeconfig
+      run: |
+        echo "${{ secrets.KUBE_CONFIG }}" > kubeconfig
+
+    - name: Deploy to k8s
+      run: |
+        kubectl apply -k backend/deployment/overlays/${{ inputs.overlay }} --kubeconfig=kubeconfig