diff --git a/modules/baserow/module.json b/modules/baserow/module.json
index ccea7ce..6ff5b54 100644
--- a/modules/baserow/module.json
+++ b/modules/baserow/module.json
@@ -11,8 +11,7 @@
   "contributes": {
     "postgres-database": {
       "name": "baserow"
-    },
-    "redis-cache": {}
+    }
   },
   "binds": {
     "postgres-database": "/var/lib/baserow/database.json",
diff --git a/modules/minio/module.json b/modules/minio/module.json
index 2b11d43..1c1e3b0 100644
--- a/modules/minio/module.json
+++ b/modules/minio/module.json
@@ -25,7 +25,8 @@
   "serves": {
     "s3-bucket": {
       "scheme": "http",
-      "region": "us-east-1"
+      "region": "us-east-1",
+      "port": 9000
     }
   },
   "receives": {
diff --git a/modules/mongodb/module.json b/modules/mongodb/module.json
index 0c81adb..6f7479e 100644
--- a/modules/mongodb/module.json
+++ b/modules/mongodb/module.json
@@ -27,7 +27,9 @@
     }
   ],
   "serves": {
-    "mongodb-database": {}
+    "mongodb-database": {
+      "port": 27017
+    }
   },
   "receives": {
     "mongodb-database": "/var/lib/mongodb/grants/mesh.json"
diff --git a/modules/postgres/module.json b/modules/postgres/module.json
index 3818a2f..e6d9089 100644
--- a/modules/postgres/module.json
+++ b/modules/postgres/module.json
@@ -27,7 +27,9 @@
     }
   ],
   "serves": {
-    "postgres-database": {}
+    "postgres-database": {
+      "port": 5432
+    }
   },
   "receives": {
     "postgres-database": "/var/lib/postgres/grants/mesh.json"
diff --git a/modules/redis/module.json b/modules/redis/module.json
index 5150f69..f50859d 100644
--- a/modules/redis/module.json
+++ b/modules/redis/module.json
@@ -19,7 +19,9 @@
     "module.redis.cache.deprovisioned"
   ],
   "serves": {
-    "redis-cache": {}
+    "redis-cache": {
+      "port": 6379
+    }
   },
   "receives": {
     "redis-cache": "/var/lib/redis-module/grants/mesh.json"