Update Dockerfile

Dockerfile

@@ -1,20 +1,20 @@
-# Use an official Python runtime
-FROM python:3.8-slim
-
-# Set the working directory
-WORKDIR /app
-
-# Copy the requirements file
-COPY requirements.txt .
-
-# Install dependencies
-RUN pip install --no-cache-dir -r requirements.txt
-
-# Copy the rest of the app
-COPY . .
-
-# Expose the Flask port
-EXPOSE 5000
-
-# Run the application
+# Use an official Python runtime
+FROM python:3.9-slim
+
+# Set the working directory
+WORKDIR /app
+
+# Copy the requirements file
+COPY requirements.txt .
+
+# Install dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy the rest of the app
+COPY . .
+
+# Expose the Flask port
+EXPOSE 5000
+
+# Run the application
 CMD ["python", "app.py"]