- Why: - students hit permission denied after pull and grafana restart-loop with readonly db - What: - run grafana as default non-root user - mount provisioning directory as read-only - add troubleshooting for git permission issues and grafana volume reset - normalize file modes for data jsonl and docs/DE-task.md to 100644 - Check: - docker compose config - docker compose up -d grafana - curl -u admin:admin http://localhost:3000/api/health