fix workflow

.gitea/workflows/deploy_api.yml

@@ -15,9 +15,14 @@ jobs:
         uses: actions/checkout@v4
 
       - name: Build Docker image
+        run: |
+          docker build -t hotel-demo:latest .
+
+      - name: Save Docker image
         run: |
           docker save hotel-demo:latest -o hotel-demo.tar
 
+
       - name: setup SSH
         run: |
           mkdir -p ~/.ssh