Update Dockerfile

Dockerfile

@@ -23,7 +23,7 @@ COPY . .
 WORKDIR /code
 
 # Set the environment variable directly in the Dockerfile
-ENV GH_TOKEN=${GH_TOKEN}
+ENV GH_TOKEN=${gh_token}
 
 # Use a shell script to perform the git clone operation
 RUN echo "export GH_TOKEN=${GH_TOKEN}" > clone_repo.sh && \