How to connect Angular2 with Websocket in Nodes and Insert into MongoDB?

All right? I need help with the following task:

1: Connect the Angled front end 2 to make an insert.

2: Using the Websocket (Real Time Connection)

3: Go through NodeJs

4: Save the information in MongoDB

5: Return the recording message ok (Real time using Websocket for the Front End)

Follow the reference image

How I can implement this?

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via Richard