Add K8s deploy workflow

.github/workflows/k8s-deploy.yml

@@ -0,0 +1,68 @@
+name: Deploy to Kubernetes
+
+on:
+  push:
+    branches: ["development", "k8s-deploy"]
+  pull_request:
+    branches: ["development"]
+
+jobs:
+  deploy:
+    env:
+      BRANCH_NAME: ${{ github.head_ref || github.ref_name }}
+      REGISTRY: ghcr.io
+      IMAGE_NAME: ${{ github.repository }}
+      NAMESPACE: "gn-demo-dev"
+      KUBECONFIG: "${{ github.workspace }}/.kube/config"
+
+    runs-on: ubuntu-24.04
+
+    permissions:
+      contents: read
+      packages: write
+      attestations: write
+      id-token: write
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Log in to the Container registry
+        uses: docker/login-action@65b78e6e13532edd9afa3aa52ac7964289d1a9c1
+        with:
+          registry: ${{ env.REGISTRY }}
+          username: ${{ github.actor }}
+          password: ${{ secrets.GITHUB_TOKEN }}
+
+      # - name: Build and push Docker image
+      #   id: push
+      #   uses: docker/build-push-action@3b5e8027fcad23fda98b2e3ac259d8d67585f671
+      #   with:
+      #     context: .
+      #     file: ./Dockerfile
+      #     push: true
+      #     tags: ${{ env.REGISTRY }}/${{ env.IMAGE_NAME }}:${{ env.BRANCH_NAME }}
+
+      #- name: "Docker image build"
+      #  run: |
+      #    # create dummy .env file just for the build
+      #    python3 ./create-envfile.py --no-input --hostname development.demo.geonode.org
+
+      #    docker compose build django --no-cache
+
+      #- name: "Docker image push"
+      #  run: |
+      #    docker tag geonode_demo/geonode:master geosolutionsit/geonode-demo:development
+      #    docker push geosolutionsit/geonode-demo:development
+
+      - name: "Write to $KUBECONFIG"
+        run: |
+          mkdir -p '${{ github.workspace }}/.kube' \
+            && umask 177 \
+            && echo '${{ secrets.K8S_CONFIG }}' > "$KUBECONFIG"
+
+      - run: "kubectl version"
+
+      - name: Deploy to Kubernetes
+        run: |
+          helm -n "$NAMESPACE" list \
+          echo TODO