chore(grafana): configure solar_toolkit source via configmap

deploy/dev/grafana-datasources.yaml

@@ -4,3 +4,12 @@ datasources:
   name: Prometheus
   type: prometheus
   url: http://dev-prometheus-server
+- name: PostgreSQL (solar_toolkit)
+  type: postgres
+  url: dev-db:5432
+  user: solar_toolkit_reader
+  jsonData:
+    database: solar_toolkit
+    sslmode: disable
+  secureJsonData:
+    password: postgres

deploy/prod/grafana-datasources.yaml

@@ -1,7 +0,0 @@
-apiVersion: 1
-datasources:
-- isDefault: true
-  name: Prometheus
-  type: prometheus
-  url: http://prod-prometheus-server
-

deploy/prod/kustomization.yaml

@@ -26,7 +26,7 @@ configMapGenerator:
   behavior: merge
   files:
   - grafana.ini=secrets/grafana-config.ini
-  - datasources.yaml=grafana-datasources.yaml
+  - datasources.yaml=secrets/grafana-datasources.yaml
 - name: invidious-config
   files:
   - config.yml=invidious-config.yaml