fixed python dependency and Dockerfile Volume Bind

Dockerfile

@@ -47,5 +47,5 @@ COPY . ./
 RUN touch /var/log/cron.log
 # RUN chmod +x entrypoint.sh
 # ENTRYPOINT ["./entrypoint.sh"]
-VOLUME ["/opt/app/data/db"]
+VOLUME /opt/app/data/db
 CMD bun run ./src/app.ts --today && cron && tail -f /var/log/cron.log