diff --git a/app/db/db.config.js b/app/db/db.config.js
new file mode 100644
index 0000000..390b5e9
--- /dev/null
+++ b/app/db/db.config.js
@@ -0,0 +1,9 @@
+module.exports = {
+  name: 'api-mooc',
+  host: process.env.HOST_MONGODB || '127.0.0.1:27017',
+  opts: {
+    promiseLibrary: global.Promise,
+    useNewUrlParser: true,
+    useCreateIndex: true,
+  },
+};
diff --git a/app/db/db.connect.js b/app/db/db.connect.js
new file mode 100644
index 0000000..9f7747f
--- /dev/null
+++ b/app/db/db.connect.js
@@ -0,0 +1,13 @@
+const mongoose = require('mongoose');
+
+const UserSchema = require('../models/user');
+const NoteSchema = require('../models/note');
+
+const db = require('./db.config');
+
+mongoose.connect(`mongodb://${db.host}/${db.name}`, db.opts);
+
+mongoose.connection.on('connected', () => {
+  mongoose.model('User', UserSchema);
+  mongoose.model('Note', NoteSchema);
+});