File upload app

The goal of the project is to upload a file and write the file information to the database. This app is used together with user-sequelize-app (https://github.com/ks-ieremenko/user-sequelize-app).

Used technologies: Express, MongoDB+Mongoose, Multer

Install dependencies with npm install
Run the express server with npm start
Open your browser in localhost:3001 and try the example REST endpoints.

! Uploading file and reading it's info from db is available only for admin role. !

Used endpoints
- localhost:3001/read (GET) - read file info
- localhost:3001/upload (POST) - upload a file
  - Body format: file.txt
- localhost:3000/user?uuid=some_id (GET) - get user by id to check if uuid is admin's