This example may be wrong: in fact you can use https://www.fastify.io/docs/latest/ContentTypeParser/#body-parser directly. Maybe we can add and example to parse a json line:

const split2 = require('split2')

  fastify.addContentTypeParser('*', (req, done) => {
    done(null, pump(req, split2(JSON.parse)));
  });

	fastify.route({
    method: 'POST',
    url: '/api/log/jsons',
    handler: (req, res) => {
        var data = [];
        req.body.on('data', d => console.log(d)) // log every incoming object
    }
});

or something like that

I think we should provide an upload example since I feel like most people will be looking for things like uploading files to S3 so it can directly provide them the answer but it is up to you.

Maybe we can fix that example using the approach you provided?

There is actually this plugin for upload so I guess we can give a reference there for upload

js