diff --git a/traefik/hooks/web_proxy-relation-joined b/traefik/hooks/web_proxy-relation-joined
new file mode 100755
index 0000000..40a8c3a
--- /dev/null
+++ b/traefik/hooks/web_proxy-relation-joined
@@ -0,0 +1,12 @@
+#!/bin/bash
+
+## Should be executable N time in a row with same result.
+
+set -e
+
+config-add "
+services:
+  $MASTER_BASE_CHARM_NAME:
+    labels:
+    - 'traefik.frontend.rule=Host:$(relation-get domain)'
+"
diff --git a/traefik/metadata.yml b/traefik/metadata.yml
new file mode 100644
index 0000000..ca7544c
--- /dev/null
+++ b/traefik/metadata.yml
@@ -0,0 +1,12 @@
+description: "Traefik"
+maintainer: "Valentin Lab <valentin.lab@kalysto.org>"
+## XXXvlab: docker uses the 'build' directory or the 'image:' option here.
+docker-image: traefik
+docker-compose:
+  restart: unless-stopped
+  command: --api --docker  ## Enables the web UI and tells Træfik to listen to docker
+  ports:
+    - "80:80"      ## The HTTP port
+    - "8080:8080"  ## The Web UI (enabled by --api)
+host-resources:
+  - /var/run/docker.sock  ## So that Traefik can listen to the Docker events
diff --git a/whoami/metadata.yml b/whoami/metadata.yml
new file mode 100644
index 0000000..186b7e5
--- /dev/null
+++ b/whoami/metadata.yml
@@ -0,0 +1,4 @@
+description: "Whoami"
+maintainer: "Valentin Lab <valentin.lab@kalysto.org>"
+## XXXvlab: docker uses the 'build' directory or the 'image:' option here.
+docker-image: emilevauge/whoami