# Demo environment (for README screenshots)

Fictional data only (RFC 5737 documentation addresses). A throwaway MariaDB on loopback, the Flask app, and a tiny mock of the PULSE internal API so the **Run Diagnostics** button works.

```bash
D=$(mktemp -d); rsync -a --exclude .git . $D/gandalf && cd $D
mariadb-install-db --no-defaults --datadir=$D/db --auth-root-authentication-method=normal --skip-test-db
mariadbd --no-defaults --datadir=$D/db --socket=$D/sock --port=3398 --bind-address=127.0.0.1 --user=root &
mariadb --no-defaults -S $D/sock -e "CREATE USER 'gandalf'@'127.0.0.1' IDENTIFIED BY 'demo-only'" < /dev/null
mariadb --no-defaults -S $D/sock < gandalf/schema.sql
mariadb --no-defaults -S $D/sock -e "GRANT ALL ON gandalf.* TO 'gandalf'@'127.0.0.1'"
# gandalf/config.json: database -> 127.0.0.1:3398 gandalf/demo-only; pulse.url -> http://127.0.0.1:8650 (api_key/worker_id any value)
python3 gandalf/scripts/demo/seed.py            # events, suppressions, snapshot and link stats
python3 gandalf/scripts/demo/mock_pulse.py &    # canned diagnostics output
(cd gandalf && gunicorn -b 127.0.0.1:8500 app:app) &
python3 gandalf/scripts/demo/capture.py         # screenshots + GIF -> docs/img/
```

The app trusts Authelia `Remote-User` / `Remote-Groups` headers, so `capture.py` sends them directly. Requires `playwright` and `pillow`.