diff --git a/addresspool.yaml b/addresspool.yaml
new file mode 100644
index 0000000..b49ab0d
--- /dev/null
+++ b/addresspool.yaml
@@ -0,0 +1,8 @@
+apiVersion: metallb.io/v1beta1
+kind: IPAddressPool
+metadata:
+  name: first-pool
+  namespace: metallb-system
+spec:
+  addresses:
+  - 172.100.0.0/24
diff --git a/config-jupyterhub.yaml b/config-jupyterhub.yaml
new file mode 100644
index 0000000..17a9c6a
--- /dev/null
+++ b/config-jupyterhub.yaml
@@ -0,0 +1,10 @@
+# This file can update the JupyterHub Helm chart's default configuration values.
+#
+# For reference see the configuration reference and default values, but make
+# sure to refer to the Helm chart version of interest to you!
+#
+# Introduction to YAML:     https://www.youtube.com/watch?v=cdLNKUoMc6c
+# Chart config reference:   https://zero-to-jupyterhub.readthedocs.io/en/stable/resources/reference.html
+# Chart default values:     https://github.com/jupyterhub/zero-to-jupyterhub-k8s/blob/HEAD/jupyterhub/values.yaml
+# Available chart versions: https://hub.jupyter.org/helm-chart/
+#