diff --git a/migrations/20240222153325-appPortBindings-add-count.js b/migrations/20240222153325-appPortBindings-add-count.js
new file mode 100644
index 000000000..817dd447d
--- /dev/null
+++ b/migrations/20240222153325-appPortBindings-add-count.js
@@ -0,0 +1,9 @@
+'use strict';
+
+exports.up = async function (db) {
+    await db.runSql('ALTER TABLE appPortBindings ADD COLUMN count INTEGER DEFAULT 1');
+};
+
+exports.down = async function (db) {
+    await db.runSql('ALTER TABLE appPortBindings DROP COLUMN count');
+};
diff --git a/migrations/schema.sql b/migrations/schema.sql
index 465717b16..c7a4fcf61 100644
--- a/migrations/schema.sql
+++ b/migrations/schema.sql
@@ -115,6 +115,7 @@ CREATE TABLE IF NOT EXISTS appPortBindings(
     type VARCHAR(8) NOT NULL DEFAULT "tcp",
     environmentVariable VARCHAR(128) NOT NULL,
     appId VARCHAR(128) NOT NULL,
+    count INTEGER DEFAULT 1,
     FOREIGN KEY(appId) REFERENCES apps(id),
     PRIMARY KEY(hostPort));
 
diff --git a/src/apps.js b/src/apps.js
index 9fb725acf..046341d0b 100644
--- a/src/apps.js
+++ b/src/apps.js
@@ -847,8 +847,8 @@ async function add(id, appStoreId, manifest, subdomain, domain, portBindings, da
 
     Object.keys(portBindings).forEach(function (env) {
         queries.push({
-            query: 'INSERT INTO appPortBindings (environmentVariable, hostPort, type, appId) VALUES (?, ?, ?, ?)',
-            args: [ env, portBindings[env].hostPort, portBindings[env].type, id ]
+            query: 'INSERT INTO appPortBindings (environmentVariable, hostPort, type, appId, count) VALUES (?, ?, ?, ?, ?)',
+            args: [ env, portBindings[env].hostPort, portBindings[env].type, id, portBindings[env].portCount || 1 ]
         });
     });
 
@@ -919,8 +919,8 @@ async function updateWithConstraints(id, app, constraints) {
         // replace entries by app id
         queries.push({ query: 'DELETE FROM appPortBindings WHERE appId = ?', args: [ id ] });
         Object.keys(portBindings).forEach(function (env) {
-            const values = [ portBindings[env].hostPort, portBindings[env].type, env, id ];
-            queries.push({ query: 'INSERT INTO appPortBindings (hostPort, type, environmentVariable, appId) VALUES(?, ?, ?, ?)', args: values });
+            const values = [ portBindings[env].hostPort, portBindings[env].type, env, id, portBindings[env].portCount || 1 ];
+            queries.push({ query: 'INSERT INTO appPortBindings (hostPort, type, environmentVariable, appId, count) VALUES(?, ?, ?, ?, ?)', args: values });
         });
     }