diff --git a/PORTS b/PORTS
index 9c2ee5c..ae57dce 100644
--- a/PORTS
+++ b/PORTS
@@ -1,14 +1,38 @@
+reserved-for-legacy-docker-migration-high-priority
+    23080   Phabricator HTTP - River Sector
+    35080   Phabricator HTTP - Wolfplex
+    36080   Phabricator HTTP - Zed
+
+reserved-for-legacy-docker-migration-medium-priority
+     3000   Mastodon public HTTP
+     4000   Mastodon streaming HTTP
+    15674   RabbitMQ
+    37080   Notifications center HTTP
+    41080   Nasqueron Tools HTTP
+
+reserved-for-legacy-docker-migration-low-priority
+     4440   Rundeck HTTP
+    21080   Drupal CRM HTTP
+    22080   Zammad HTTP
+    26080   Sentry HTTP
+    27080   Grafana HTTP
+    28080   phrahile HTTP
+    29080   etcd HTTP
+    32080   Discourse HTTP
+    33080   Bugzilla HTTP - Espace Win
+    40080   RocketChat HTTP
+
 paas-docker
      5000   Docker registry HTTP
      9090   Openfire HTTP
     22220   Phabricator Aphlict (client)
     22221   Phabricator Aphlict (admin)
     24080   Tommy HTTP - CI
     24180   Tommy HTTP - CD
     25080   Auth Grove HTTP
     31080   Phabricator HTTP - DevCentral
     34080   Etherpad
     38080   Jenkins HTTP - CD
     39080   Cachet HTTP
     42080   Jenkins HTTP - CI
     50000   Jenkins master's port for JNLP-based Jenkins agents - CD