Update dockerfile

dockerfile

@@ -1,17 +1,15 @@
-# Start with a supported Python image
-FROM python:3.9-slim
+FROM python:3.9-slim  # or python:3.8-slim, or python:3.10-slim
 
-# Set the working directory inside the container
 WORKDIR /app
 
-# Copy the requirements.txt file to the container
+# Copy requirements file to container
 COPY requirements.txt .
 
-# Install the Python dependencies
+# Install dependencies
 RUN pip install --no-cache-dir -r requirements.txt
 
-# Copy the rest of the code to the container
+# Copy rest of the application files
 COPY . .
 
-# Run the app
+# Command to run the application
 CMD ["python", "app.py"]