Build a Node App with websocket and express

We need an app that expose and API with express and nodeJS for these 3 endpoints: 1.[POST] /api/account/signup ---> Inside this endpoint we need a logic that signup into a website with de following fields: a. After signup we need to get the WebSocket connection and keep alive. b. The App have to create a connection (we provide all the info) to a mysql db table and get the username and password c. The App have to pass the captcha d. The App have to generate the email as follow: username@[login to view URL] e. if the username exists you should move to the next one and delete the record f. If the user was created successfully the app has to mark the record as "created = true" 2. [POST]/api/account/signin --> Create a logic that login with username and password and get the websocket connection and keep alive. Request Body: { username: user@[login to view URL] password: 1032329 } a. if the login failed you have to response the error. 3. [POST] /api/enter-channel/ --> Giving and originID and destinationID is necessary that the websocket send and event to enter the originID into the destinationID channel. Request Body: { originId: 3323290 destinationId: 1032329 } a. If the event was success you have to send a "200" code. b. If the event failed you have to send a "400" code with the error 4. [POST] /api/leave-channel/ --> Giving and originID and destinationID is necessary that the websocket send and event to leave the person into the destinationID channel. a. If the event was success you have to send a "200" code. b. If the event failed you have to send a "400" code with the error Request Body: { originId: 3323290 destinationId: 1032329 }