* configure Loki for local development
Extend our docker compose setup to include Loki (along with promtail), scraping `logs/*.log` to ingest development logs as well as all logs from running containers.
While we're in here, teach Prometheus to scrape metrics from Docker containers too.
* tweak promtail labels
* document extra services in config.mk
* update home.json
* remove Boards feature flag from server, makefile, and docker
* Update server/boards/server/boards_service_util.go
Co-authored-by: Miguel de la Cruz <miguel@mcrx.me>
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Co-authored-by: Miguel de la Cruz <miguel@mcrx.me>