diff --git a/docker-compose.yml b/docker-compose.yml
index 1a0e2d0..0295b15 100644
--- a/docker-compose.yml
+++ b/docker-compose.yml
@@ -40,8 +40,8 @@ services:
       - NJS_ACME_VERIFY_PROVIDER_HTTPS=false # only in development environment
       - NJS_ACME_DIRECTORY_URI=https://pebble/dir # development server
     ports:
-      - 8000:80
-      - 4443:443
+      - 8000:8000 # http
+      - 8443:8443 # https
     networks:
       default:
         aliases:
diff --git a/examples/nginx.conf b/examples/nginx.conf
index 347345e..3120533 100644
--- a/examples/nginx.conf
+++ b/examples/nginx.conf
@@ -38,8 +38,8 @@ http {
   js_shared_dict_zone zone=acme:1m;
 
   server {
-    listen 80;
-    listen 443 ssl;
+    listen 8000;
+    listen 8443 ssl;
     server_name _default;
 
     ## Mandatory Variables