Update Dockerfile

Dockerfile

@@ -1,5 +1,5 @@
 # Use the official Python image as a base image
-FROM python:3.8
+FROM python:3.12
 
 # Set the working directory in the container
 WORKDIR /app
@@ -8,6 +8,7 @@ WORKDIR /app
 COPY requirements.txt .
 
 # Install the required packages
+RUN pip install --upgrade pip
 RUN pip install -r requirements.txt
 
 # Copy the current directory contents into the container at /app