Remove Grafana monitoring service (#5750)

README.md

@@ -12,8 +12,6 @@ Wellcome Collection common infrastructure.
 
 - [cloudfront](cloudfront/README.md): Managing the infrastructure for Wellcome Collection's CloudFront distributions & DNS.
 
-- [monitoring](monitoring/README.md): Grafana platform monitoring stack.
-
 - **photography_backups**: Backup storage for photography (needs cleanup?)
 
 ## No longer in this repo

images/terraform/ecr.tf

@@ -49,19 +49,6 @@ module "ecr_nginx_frontend_identity" {
   }
 }
 
-module "ecr_nginx_grafana" {
-  source = "./repo_pair"
-
-  namespace = local.namespace
-  repo_name = "nginx_grafana"
-
-  description = "An nginx image for reverse proxying Grafana"
-
-  providers = {
-    aws.ecr_public = aws.ecr_public
-  }
-}
-
 module "ecr_nginx_apigw" {
   source = "./repo_pair"
 

monitoring/README.md

@@ -1,13 +1,4 @@
 # Monitoring
-
-## Grafana dashboard
-
-We have a [Grafana][grafana] dashboard for monitoring load tests, queue sizes, and our AWS bill, among other things.
-
-It can be viewed at <https://monitoring.wellcomecollection.org/> (note this is only accessible from within the Wellcome IP range).
-
-[grafana]: https://grafana.com/
-
 ## Slack alarms
 
 We have Slack alerts for certain failures across the platform, which are published into the [#wc-platform-alerts channel][slack].