social-media-manager/services/gateway/index.js

const fastify = require('fastify')();
const RabbitMQProducer = require('./utils/RabbitMQProducer');
let rabbitMQProducer = new RabbitMQProducer();

fastify.post('/', async (request, reply) => {
  try {
    await rabbitMQProducer.sendMessage('formatter', request.body.message);
    reply.send({ status: 'Message Send' });
  } catch (error) {
    console.error('Error handling POST request:', error);
    reply.status(500).send({ error: 'Internal Server Error' });
  }
});

fastify.listen(8084, 'gateway', (err, address) => {
  if (err) {
    console.error(err);
    process.exit(1);
  }
  console.log(`Gateway api service workin on ${address}`);
});