feat(grafana): set Desert Bloom as default theme

Author: NikolayS

config/grafana/provisioning/grafana.ini

@@ -1,5 +1,10 @@
 [users]
-home_page = /d/f90500a0-a12e-4081-a2f0-07ed96f27915/1-postgres-node-performance-overview-high-level/    
+home_page = /d/f90500a0-a12e-4081-a2f0-07ed96f27915/1-postgres-node-performance-overview-high-level/
+default_theme = desertbloom
+
+[feature_toggles]
+# Required for experimental themes (desertbloom, sapphiredusk, etc.)
+enable = grafanaconThemes
 
 [auth]
 # When OAuth is enabled, optionally disable the basic login form

docker-compose.yml

@@ -164,6 +164,7 @@ services:
       GF_INSTALL_PLUGINS: yesoreyeram-infinity-datasource
       GF_PATHS_PROVISIONING: /postgres_ai_configs/grafana/provisioning
       GF_PATHS_CONFIG: /postgres_ai_configs/grafana/provisioning/grafana.ini
+      GF_FEATURE_TOGGLES_ENABLE: grafanaconThemes
       # OAuth configuration (disabled by default, enabled via Ansible)
       GF_AUTH_GENERIC_OAUTH_ENABLED: ${GRAFANA_OAUTH_ENABLED:-false}
       GF_AUTH_GENERIC_OAUTH_NAME: ${GRAFANA_OAUTH_NAME:-PostgresAI}

preview-infra/shared/docker-compose.preview.template.yml

@@ -182,6 +182,7 @@ services:
       GF_INSTALL_PLUGINS: yesoreyeram-infinity-datasource
       GF_PATHS_PROVISIONING: /postgres_ai_configs/grafana/provisioning
       GF_PATHS_CONFIG: /postgres_ai_configs/grafana/provisioning/grafana.ini
+      GF_FEATURE_TOGGLES_ENABLE: grafanaconThemes
       GF_AUTH_ANONYMOUS_ENABLED: "true"
       GF_AUTH_ANONYMOUS_ORG_ROLE: "Viewer"
       GF_SERVER_ROOT_URL: "https://preview-${BRANCH_SLUG}.pgai.watch/"