proxy.config.json

{
  "/api/listings":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/users/signup":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/users/login":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/users/logout":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/wishlist":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/listings/add":{
  "target": "http://localhost:4000",
  "secure":false,
  "changeOrigin":true
  },
  "/api/listings/:id":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/messages":{
  "target": "http://localhost:4000",
  "secure":false,
  "changeOrigin":true
  },
  "/api/messages/create":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/listings/user":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/messages/:id":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/users/":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/listings/delete/:id":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/users/:id":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  },
  "/api/listings/filter":{
    "target": "http://localhost:4000",
    "secure":false,
    "changeOrigin":true
  }
}