create angelos-network if not already exists

.github/workflows/deploy.yml

@@ -26,6 +26,15 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
 
+      - name: Check if Docker network exists and create it if not
+        run: |
+          if ! docker network inspect angelos-network >/dev/null 2>&1; then
+            echo "Network 'angelos-network' does not exist, creating it..."
+            docker network create angelos-network
+          else
+            echo "Network 'angelos-network' already exists."
+          fi
+
       - name: Build and Push to GitHub Container Registry
         uses: docker/build-push-action@v6
         with: