diff --git a/db/migrations/02_resource-access.js b/db/migrations/02_resource-access.js
new file mode 100644
index 0000000..717ac38
--- /dev/null
+++ b/db/migrations/02_resource-access.js
@@ -0,0 +1,27 @@
+const { DataTypes } = require('sequelize');
+const { INTEGER } = DataTypes;
+
+const tables = ['categories', 'bookmarks', 'apps'];
+
+const up = async (query) => {
+  const template = {
+    type: INTEGER,
+    allowNull: true,
+    defaultValue: 0,
+  };
+
+  for await (let table of tables) {
+    await query.addColumn(table, 'isPublic', template);
+  }
+};
+
+const down = async (query) => {
+  for await (let table of tables) {
+    await query.removeColumn(table, 'isPublic');
+  }
+};
+
+module.exports = {
+  up,
+  down,
+};
diff --git a/models/App.js b/models/App.js
index f521955..c71d350 100644
--- a/models/App.js
+++ b/models/App.js
@@ -1,31 +1,40 @@
 const { DataTypes } = require('sequelize');
 const { sequelize } = require('../db');
 
-const App = sequelize.define('App', {
-  name: {
-    type: DataTypes.STRING,
-    allowNull: false
+const App = sequelize.define(
+  'App',
+  {
+    name: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    url: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    icon: {
+      type: DataTypes.STRING,
+      allowNull: false,
+      defaultValue: 'cancel',
+    },
+    isPinned: {
+      type: DataTypes.BOOLEAN,
+      defaultValue: false,
+    },
+    orderId: {
+      type: DataTypes.INTEGER,
+      allowNull: true,
+      defaultValue: null,
+    },
+    isPublic: {
+      type: DataTypes.INTEGER,
+      allowNull: true,
+      defaultValue: 0,
+    },
   },
-  url: {
-    type: DataTypes.STRING,
-    allowNull: false
-  },
-  icon: {
-    type: DataTypes.STRING,
-    allowNull: false,
-    defaultValue: 'cancel'
-  },
-  isPinned: {
-    type: DataTypes.BOOLEAN,
-    defaultValue: false
-  },
-  orderId: {
-    type: DataTypes.INTEGER,
-    allowNull: true,
-    defaultValue: null
+  {
+    tableName: 'apps',
   }
-}, {
-  tableName: 'apps'
-});
+);
 
-module.exports = App;
\ No newline at end of file
+module.exports = App;
diff --git a/models/Bookmark.js b/models/Bookmark.js
index 6c7d27b..652c119 100644
--- a/models/Bookmark.js
+++ b/models/Bookmark.js
@@ -1,25 +1,34 @@
 const { DataTypes } = require('sequelize');
 const { sequelize } = require('../db');
 
-const Bookmark = sequelize.define('Bookmark', {
-  name: {
-    type: DataTypes.STRING,
-    allowNull: false
+const Bookmark = sequelize.define(
+  'Bookmark',
+  {
+    name: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    url: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    categoryId: {
+      type: DataTypes.INTEGER,
+      allowNull: false,
+    },
+    icon: {
+      type: DataTypes.STRING,
+      defaultValue: '',
+    },
+    isPublic: {
+      type: DataTypes.INTEGER,
+      allowNull: true,
+      defaultValue: 0,
+    },
   },
-  url: {
-    type: DataTypes.STRING,
-    allowNull: false
-  },
-  categoryId: {
-    type: DataTypes.INTEGER,
-    allowNull: false
-  },
-  icon: {
-    type: DataTypes.STRING,
-    defaultValue: ''
+  {
+    tableName: 'bookmarks',
   }
-}, {
-  tableName: 'bookmarks'
-});
+);
 
-module.exports = Bookmark;
\ No newline at end of file
+module.exports = Bookmark;
diff --git a/models/Category.js b/models/Category.js
index 9c9eda6..582a6c2 100644
--- a/models/Category.js
+++ b/models/Category.js
@@ -1,22 +1,31 @@
 const { DataTypes } = require('sequelize');
 const { sequelize } = require('../db');
 
-const Category = sequelize.define('Category', {
-  name: {
-    type: DataTypes.STRING,
-    allowNull: false
+const Category = sequelize.define(
+  'Category',
+  {
+    name: {
+      type: DataTypes.STRING,
+      allowNull: false,
+    },
+    isPinned: {
+      type: DataTypes.BOOLEAN,
+      defaultValue: false,
+    },
+    orderId: {
+      type: DataTypes.INTEGER,
+      allowNull: true,
+      defaultValue: null,
+    },
+    isPublic: {
+      type: DataTypes.INTEGER,
+      allowNull: true,
+      defaultValue: 0,
+    },
   },
-  isPinned: {
-    type: DataTypes.BOOLEAN,
-    defaultValue: false
-  },
-  orderId: {
-    type: DataTypes.INTEGER,
-    allowNull: true,
-    defaultValue: null
+  {
+    tableName: 'categories',
   }
-}, {
-  tableName: 'categories'
-});
+);
 
-module.exports = Category;
\ No newline at end of file
+module.exports = Category;