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Node.js

https://medium.com/@gabrieldrouin/node-js-2025-guide-how-to-setup-express-js-with-typescript-eslint-and-prettier-b342cd21c30d

npm init -y
npm i -D typescript @types/node @types/express
npm i -D @tsconfig/node24
npm i -D tsx
npm i -D prettier
npm i -D eslint
npm i -D vitest

npm i express
npm i -D @types/express

change type to module:

"type": "module",

then run:

npx tsc --init
mkdir src
cd src
touch index.js
// index.js
import express from "express";
const app = express();
const port = "3000";

app.get("/", (req, res) => {
  res.send("Hello World!");
  console.log("Response sent");
});

app.listen(port, () => {
  console.log(`Example app listening on port ${port}`);
});
npx tsc
npx tsx --watch src/index.ts

Prettier​

echo 'dist' > .prettierignore

echo '{}' > .prettierrc

Postgres​

npm install pg
npm i -D @types/pg

Package manager​

npmbuilt in
pnpmless redownloadcurrent favorite
yarn

NestJS Framework​

npm install -g @nestjs/cli

nest new projectName
cd button-api
npm install @nestjs/swagger swagger-ui-express class-validator class-transformer
npm run start
npm run start:dev