Exercise #02 - Echo

Write a server that exposes a /echo route.
Return the body of the request as the response. 

    POST /echo
    some string
    >>> expected "some string"

    POST /echo
    Show me your types and I'll tell you who you are
    >>> expected "Show me your types and I'll tell you who you are"

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Reference node.js implementation

          
const app = require("express")()
const bodyParser = require("body-parser")

app.use(bodyParser.raw({ type: "*/*" }))

app.post("/echo", (req, res) => {
  res.send(req.body.toString())
})

console.log("Starting server...")
app.listen(7879)

Walkthrough video

Here's a video of me going through the exercise, from scratch! 🌵

Where to get help

Got stuck? Don't worry! Join the discussion on Github (issue #2). It might be that the exercise could be clearer or there's something you really can't wrap your head around. That's totally fine! 🙂

You can also have a look at my solution. No shame in having a peek. 🧐
But do share your thoughts on the exercises, it would be really helpful!