NestJS Tutorial 2023
Getting start
npm i
npm run start:dev
npm run start:debugLession 04
CREATE DATABASE `nestjs_tutorial_2023` CHARACTER SET 'utf8mb4' COLLATE 'utf8mb4_bin';1. Introduction to ORM
- Connect to MYSQL with Sequellize
- Connect to PostgreSQL with TypeORM
- Connect to MongoDB with Mongoose
1.1. Connect to MYSQL with Sequellize
Install required packages
npm install --save @nestjs/sequelize sequelize sequelize-typescript mysql2
npm install --save-dev @types/sequelize
npm install --save-dev sequelize-cli
npx sequelize-cli initFolder structure for sequelize-cli migration
src
database
config
config.ts
migrations
*.ts
seeds
*.ts
# create migration
npx sequelize-cli migration:create --name create-pet-category-table --migrations-path ./src/database/migrations
# build
npm run build
# run migration
NODE_ENV=production npx sequelize-cli db:migrate --env production
# create seeds
npx sequelize-cli seed:generate --name pet-category
# run seeds
NODE_ENV=production npx sequelize-cli db:seed:alldefaultValue: Sequelize.UUIDV4 is not setting a default value on column in postgres
npm i uuid --save
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