Fix: Update Dockerfile ENTRYPOINT to use entrypoint.sh for config generation

dockerfile

@@ -62,4 +62,4 @@ ENV MPLCONFIGDIR=/tmp/matplotlib
 ENV MPLBACKEND=Agg
 
 # Run the bot using tini and entrypoint script
-ENTRYPOINT ["tini", "--", "python", "main.py"]
+ENTRYPOINT ["tini", "--", "/bin/sh", "entrypoint.sh"]