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[grafana] add volume for grafana data under plugin - #407
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Shobhit-Nagpal wants to merge 1 commit into
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Fixes #209
Why
The plugin's dev compose file persists TimescaleDB but not
/var/lib/grafana, so recreating the Grafana container loses dashboards while the database survives.What
Add a named
grafana-datavolume to the Grafana service. It goes indocker-compose.yamlbecause.config/is generated. Usedocker compose down -vto reset Grafana to a clean state.Testing
Created a dashboard, then ran
restart,up -d --force-recreateanddown+up -d. The dashboard and database row survived all three; without this change, both recreates lost the dashboard.Note: On testing locally, I switched out timescale db with postgres due disk space issues