Change Docker volume used by Clickhouse to a local directory (#404)

Previously it would pollute the users home directory

.gitignore

@@ -25,6 +25,9 @@ plausible-*.tar
 # If NPM crashes, it generates a log, let's ignore it too.
 npm-debug.log
 
+# If running Clickhouse through the Makefile, its data is written here
+/.clickhouse_db_vol/
+
 # The directory NPM downloads your dependencies sources to.
 /assets/node_modules/
 /tracker/node_modules/

Makefile

 clickhouse:
-	docker run --detach -p 8123:8123 --ulimit nofile=262144:262144 --volume=$$HOME/clickhouse_db_vol:/var/lib/clickhouse yandex/clickhouse-server
+	docker run --detach -p 8123:8123 --ulimit nofile=262144:262144 --volume=$$PWD/.clickhouse_db_vol:/var/lib/clickhouse yandex/clickhouse-server
 
 postgres:
 	docker run --detach -e POSTGRES_PASSWORD="postgres" -p 5432:5432 postgres