feat: add CD step to docker-build workflow

.gitea/workflows/docker-build.yaml

@@ -69,3 +69,22 @@ jobs:
           labels: |
             ${{ steps.meta.outputs.labels }}
             org.opencontainers.image.source=${{ github.server_url }}/${{ github.repository }}
+
+  deploy-to-k8s:
+    needs: [build-and-push-backend, build-and-push-frontend]
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create kubeconfig
+        run: |
+          mkdir -p ~/.kube
+          echo "${{ secrets.KUBECONFIG_DATA }}" | base64 -d > ~/.kube/config
+          chmod 600 ~/.kube/config
+
+      - name: Trigger Kubernetes Rollout
+        run: |
+          # Перезапускаем поды, чтобы они скачали свежий :main образ
+          kubectl rollout restart deployment backend frontend -n magistr
+          
+          # Ждём успешного обновления
+          kubectl rollout status deployment/backend -n magistr --timeout=120s
+          kubectl rollout status deployment/frontend -n magistr --timeout=120s