fastify-main.js

const drawSignatures = require("./drawSignatures");
const fastifyImp = require("fastify");
const fastify = fastifyImp({
    logger: true
});
fastify.post("/", async (request, reply) => {
    // Some sort of request validation
    const bytes = await drawSignatures.drawSignatures(request.body.doc, request.body.signature);
    reply.send(bytes);
});

module.exports = fastify;