Use json logs for grafana

workloads/grafana/grafana-deploy.yml

@@ -60,6 +60,10 @@ spec:
           value: "true"
         - name: GF_AUTH_SIGNOUT_REDIRECT_URL
           value: "https://grafana.shoup.io/oauth2/sign_out"
+        - name: GF_LOG_MODE
+          value: console
+        - name: GF_LOG_CONSOLE_FORMAT
+          value: json
         resources:
           requests:
             memory: "128Mi"