Update Dockerfile

Dockerfile

@@ -1,11 +1,16 @@
 FROM python:3.8-slim
 
-# Prevent TensorFlow from trying to use GPU
+# Suppress TensorFlow warnings
 ENV TF_CPP_MIN_LOG_LEVEL=3
 ENV TF_ENABLE_ONEDNN_OPTS=0
 
 WORKDIR /app
-COPY . .
+
+COPY requirements.txt .
 RUN pip install --no-cache-dir -r requirements.txt
+
+COPY . .
+
 EXPOSE 7860
+
 CMD ["python", "app.py"]