Update Dockerfile

Dockerfile

@@ -1,21 +1,19 @@
 # syntax=docker/dockerfile:1.4
-
 FROM python:3.9-slim
-
 WORKDIR /app
 
 # Install git
 RUN apt-get update && apt-get install -y git
 
-# Clone your private repository using the GITHUB_TOKEN environment variable
-RUN git clone https://x-access-token:${GITHUB_TOKEN}@github.com/leoncool23/sci_xg_classify.git .
+# Use build argument for GitHub token
+ARG GITHUB_TOKEN
+
+# Clone repository using GitHub token
+RUN git clone https://${GITHUB_TOKEN}@github.com/leoncool23/sci_xg_classify.git .
 
 # Install dependencies
 RUN pip install -r requirements.txt
 
-# Copy any other necessary files
-# COPY . .
-
 # Expose the port your app runs on
 EXPOSE 8080