#1, создала проект, добавила основные зависимости

.gitignore

+.idea
+node_modules

package.json

+{
+  "name": "back",
+  "version": "1.0.0",
+  "description": "",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1",
+    "start": "node server.js",
+    "dev": "nodemon server.js"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "bcrypt": "^5.0.0",
+    "cors": "^2.8.5",
+    "express": "^4.17.1",
+    "mongodb": "^3.5.9",
+    "mongoose": "^5.9.20",
+    "multer": "^1.4.2",
+    "nanoid": "^3.1.9"
+  },
+  "devDependencies": {
+    "nodemon": "^2.0.4"
+  }
+}