diff --git a/k8s/c0/README.md b/k8s/c0/README.md
index cab3f15..7638275 100644
--- a/k8s/c0/README.md
+++ b/k8s/c0/README.md
@@ -21,5 +21,21 @@ mount --make-shared /sys
 mount --make-shared /run
 kubectl apply -f v3-calico/calico.yaml
 kubectl apply -f https://docs.projectcalico.org/manifests/calicoctl.yaml
+
 alias calicoctl="kubectl exec -i -n kube-system calicoctl -- /calicoctl"
+calicoctl create -f - < ./k8s/c0/calico-bgp.yaml
 ```
+
+## Flux bootstrap
+
+On a client:
+
+```
+wget https://github.com/fluxcd/flux2/releases/download/v0.16.1/flux_0.16.1_linux_amd64.tar.gz
+tar xvfz flux_0.16.1_linux_amd64.tar.gz
+./flux bootstrap git --path=./cluster/c0 --cluster-domain c0.k8s.ooo --url ssh://git@code.ungleich.ch/ungleich-intern/k8s-config.git --branch=main
+```
+
+## rook bootstrap
+
+* via flux