make ch creds more easily configurable

Author: nicktrn

hosting/docker/.env.example

@@ -58,6 +58,13 @@ DEV_OTEL_EXPORTER_OTLP_ENDPOINT=http://localhost:8030/otel
 #   - 8GB machine: NODE_MAX_OLD_SPACE_SIZE=6400
 # NODE_MAX_OLD_SPACE_SIZE=8192
 
+# ClickHouse
+# - Do NOT use these defaults in production
+CLICKHOUSE_USER=default
+CLICKHOUSE_PASSWORD=password
+CLICKHOUSE_URL=http://default:password@clickhouse:8123?secure=false
+RUN_REPLICATION_CLICKHOUSE_URL=http://default:password@clickhouse:8123
+
 # Docker Registry
 # - When testing locally, the default values should be fine
 # - When deploying to production, you will have to change these, especially the password and URL

hosting/docker/webapp/docker-compose.yml

@@ -143,8 +143,8 @@ services:
     ports:
       - ${CLICKHOUSE_PUBLISH_IP:-127.0.0.1}:9090:9000
     environment:
-      CLICKHOUSE_ADMIN_USER: default
-      CLICKHOUSE_ADMIN_PASSWORD: password
+      CLICKHOUSE_ADMIN_USER: ${CLICKHOUSE_USER:-default}
+      CLICKHOUSE_ADMIN_PASSWORD: ${CLICKHOUSE_PASSWORD:-password}
     volumes:
       - clickhouse:/bitnami/clickhouse
       - ../clickhouse/override.xml:/bitnami/clickhouse/etc/config.d/override.xml:ro