Merge pull request #709 from Hestia-Homes/bug/ubuntu-update

changing build commange to handle ubuntu upgrade from docker 28 to 29

.github/workflows/deploy_fastapi_backend.yml

@@ -87,7 +87,13 @@ jobs:
 
       - name: Build Docker Image For Engine
         run: |
-          docker build -t fastapi-lambda-image:${{ github.sha }} -f backend/docker/engine.Dockerfile . --load
+          docker buildx build \
+            --platform linux/amd64 \
+            --provenance=false \
+            --output=type=docker \
+            -t fastapi-lambda-image:${{ github.sha }} \
+            -f backend/docker/engine.Dockerfile \
+            .
 
       - name: Login to ECR
         run: |