diff --git a/docs/index.md b/docs/index.md
index f4c5f915d..630a9c1b6 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -27,4 +27,12 @@ The first are used for the control plane, the other fours are used as worker
 nodes. Some of them are powered with PoE hats. The faster external drives are
 used for longhorn.
 
+## GitOps
+
+Inspired from
+* https://github.com/onedr0p/home-ops
+* https://github.com/bjw-s/home-ops
+* https://github.com/dirtycajunrice/gitops
+* 
+
 --8<-- "includes/abbreviations.md"
diff --git a/docs/monitoring.md b/docs/monitoring.md
index 3a4c39b9e..caf5b4808 100644
--- a/docs/monitoring.md
+++ b/docs/monitoring.md
@@ -160,6 +160,13 @@ You can add as a bonus the geoip.
 
 https://www.mostlychris.com/keeping-tabs-on-your-network/
 
+## Loki k8s events
+
+* https://medium.com/@lysetskyyv/collecting-and-visualizing-kubernetes-events-with-loki-and-kubernetes-event-exporter-8f764b78185c
+* https://github.com/resmoio/kubernetes-event-exporter
+* https://grafana.com/docs/agent/latest/flow/reference/components/loki.source.kubernetes_events/
+* 
+
 ## References
 
 [1]: https://medium.com/aeturnuminc/monitoring-stack-deployment-to-a-kubernetes-cluster-prometheus-grafana-alertmanager-loki-dcc7339d4f19
diff --git a/docs/rails-app.md b/docs/rails-app.md
index 727f9ab3c..96d5b7a27 100644
--- a/docs/rails-app.md
+++ b/docs/rails-app.md
@@ -5,4 +5,5 @@
 
 some was copied from https://kubernetes-rails.com
 
+https://fly.io/ruby-dispatch/rails-on-docker/
 
diff --git a/docs/vault.md b/docs/vault.md
index aa7e84249..1e5d2fb24 100644
--- a/docs/vault.md
+++ b/docs/vault.md
@@ -124,3 +124,9 @@ type: Opaque
 Instead of environment variables or secrets you can use the vault key reference
 anywhere in resources and the webhook will replace it with the secret.
 
+
+## Monitoring
+
+* https://github.com/hashicorp/vault/issues/13978
+* https://developer.hashicorp.com/vault/tutorials/monitoring/monitor-telemetry-grafana-prometheus
+* https://developer.hashicorp.com/vault/tutorials/monitoring/usage-metrics