diff --git a/hub/documentation/operations/files/docker-compose.yaml b/hub/documentation/operations/files/docker-compose.yaml
index 7a681de624..dde6efda0f 100644
--- a/hub/documentation/operations/files/docker-compose.yaml
+++ b/hub/documentation/operations/files/docker-compose.yaml
@@ -24,7 +24,7 @@ services:
       - "--entrypoints.websecure.address=:443"
       - "--certificatesresolvers.myleresolver.acme.httpchallenge=true"
       - "--certificatesresolvers.myleresolver.acme.httpchallenge.entrypoint=web"
-      - "--certificatesresolvers.myleresolver.acme.email=dnsadmin@yourdomain.com" # Update this to be a valid email
+      - "--certificatesresolvers.myleresolver.acme.email=${DNS_ADMIN}"
       - "--certificatesresolvers.myleresolver.acme.storage=/letsencrypt/acme.json"
       - "--entrypoints.web.http.redirections.entryPoint.to=websecure"
       - "--entrypoints.web.http.redirections.entryPoint.scheme=https"
diff --git a/hub/documentation/operations/files/env b/hub/documentation/operations/files/env
index ae3651a7f9..346d5706a8 100644
--- a/hub/documentation/operations/files/env
+++ b/hub/documentation/operations/files/env
@@ -1,5 +1,7 @@
 # run: `id -u sesam` to find correct USER_ID
 # APPLIANCE_ID can be created using uuidgen 
+# NODE_DOMAIN must match your host fully qualified domain name.
+# DNS_ADMIN variable is where any cert or dns issues will be sent from letsencrypt. 
 APPLIANCE_ID=your_appliance_id
 SUBSCRIPTION_ID=your_subscription_id
 TRAEFIK_DOCKER_IMAGE_TAG=latest
@@ -7,3 +9,5 @@ SESAM_NODE_IMAGE_TAG=weekly-prod
 FLUENTBIT_IMAGE_TAG=latest
 FLUENTBIT_HOST=ss-companyhub.sesam.cloud
 USER_ID=1000
+NODE_DOMAIN=your_node_domain
+DNS_ADMIN=valid@email.address