u-fit/backend/src/authenticate.js

const jwt = require('jsonwebtoken')

const authenticate = (req, res, next) => {
  const { token } = req.cookies
  console.log('token', token)
  if (token) {
    const { userId } = jwt.verify(token, process.env.APP_SECRET)
    req.userId = userId
  }
  next()
}

module.exports = { authenticate }