Update Dockerfile

Dockerfile

@@ -1,7 +1,7 @@
 FROM python:3.11-slim
 
-ENV PYTHONDONTWRITEBYTECODE=1 \
-    PYTHONUNBUFFERED=1 \
+ENV PYTHONUNBUFFERED=1 \
+    PYTHONDONTWRITEBYTECODE=1 \
     GRADIO_SERVER_NAME=0.0.0.0 \
     GRADIO_SERVER_PORT=7860
 
@@ -11,6 +11,7 @@ COPY requirements.txt /app/requirements.txt
 RUN pip install --no-cache-dir -r /app/requirements.txt
 
 COPY app.py /app/app.py
+COPY grid.png /app/grid.png   # NEW: make the image available in the container
 
 EXPOSE 7860