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Backend

• create a node boilerplate
• create a data model (sql table or nosql collection)
• create endpoints using koa (POST, PATCH, GET, DELETE)
• expose data model in these endpoints
• dockerfile to create a docker image
• deploy in a vps using docker compose, or using k8s deployment + service
• add integration tests using supertest
• create a basic login/auth using email + pwd bcrypt

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Here is a short list of problems to solve in "any" Fintech

• KYC
• Ledger
• Scaling
• Reliability
• Latency
• Security
• Data Consistency
• Integration with many external systems

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import { transform } from '@swc/core';
import fs from 'fs/promises';
import path from 'path';
import { fileURLToPath } from 'url';

const cwd = process.cwd();

export async function load(url, context, defaultLoad) {
  if (url.endsWith('.tsx')) {
    const filePath = fileURLToPath(url);

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import fs from "fs";
import path from "path";
import forge from "node-forge";

const cwd = process.cwd();

function computeFingerprint(cert: forge.pki.Certificate): string {
    const asn1Cert = forge.pki.certificateToAsn1(cert);
    const der = forge.asn1.toDer(asn1Cert).getBytes();
    const md = forge.md.sha1.create();

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apiVersion: batch/v1
kind: CronJob
metadata:
  name: mongodb-backup-woovi-dev
  namespace: mongodb-backup-dev
spec:
  schedule: "0 1 * * *"
  concurrencyPolicy: Forbid
  jobTemplate:
    spec:

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apiVersion: apps/v1
kind: Deployment
metadata:
  labels:
    name: mongodb1
  name: mongodb1
  namespace: woovi-mongo-dev
spec:
  replicas: 1
  strategy:

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args="$@"

docker-compose up -d $args
 
sleep 5

updateEtcHost() {
  local content=$1

  if grep -q "$content" /etc/hosts; then

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const signature = ctx.request.headers['x-hub-signature-256'];

  if (
    !signature ||
    typeof signature !== 'string' ||
    !config.WHATSAPP_APP_SECRET
  ) {
    ctx.status = 403;
    ctx.body = {
      message: 'invalid signature',

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import legacy from '@vitejs/plugin-legacy'
import react from '@vitejs/plugin-react-swc';
import { defineConfig } from 'vite';
import relay from 'vite-plugin-relay';
// import { esbuildCommonjs, viteCommonjs } from '@originjs/vite-plugin-commonjs'

// https://vitejs.dev/config/
export default defineConfig({
  plugins: [
    // commonjs({

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export const renderToPipeableStreamPromise = async (
  tree: ReactElement,
  ctx: Context,
  next: Next,
) => {
  const writableStream = new WritableAsPromise();

  let didError = false;

  const { pipe, abort } = renderToPipeableStream(tree, {