feat: Initialize NestJS project with configuration files and basic structure

.env.example

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+DATABASE_URL=postgresql://user:password@localhost:5432/crowmate
+JWT_SECRET=your_secret_here
+JWT_EXPIRY=7d
+PORT=3000

.gitignore

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+node_modules/
+dist/
+.env
+*.js.map
+coverage/

nest-cli.json

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+{
+  "$schema": "https://json.schemastore.org/nest-cli",
+  "collection": "@nestjs/schematics",
+  "sourceRoot": "src",
+  "compilerOptions": {
+    "deleteOutDir": true
+  }
+}

package.json

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+{
+  "name": "nest-backend",
+  "version": "0.0.1",
+  "private": true,
+  "scripts": {
+    "build": "nest build",
+    "start": "node dist/main",
+    "start:dev": "nest start --watch",
+    "start:debug": "nest start --debug --watch",
+    "test": "vitest run",
+    "test:watch": "vitest",
+    "test:cov": "vitest run --coverage"
+  },
+  "dependencies": {
+    "@nestjs/common": "^11.0.0",
+    "@nestjs/config": "^4.0.0",
+    "@nestjs/core": "^11.0.0",
+    "@nestjs/jwt": "^11.0.0",
+    "@nestjs/passport": "^11.0.0",
+    "@nestjs/platform-express": "^11.0.0",
+    "@nestjs/swagger": "^11.0.0",
+    "@prisma/client": "^6.0.0",
+    "bcrypt": "^5.1.1",
+    "class-transformer": "^0.5.1",
+    "class-validator": "^0.14.1",
+    "passport": "^0.7.0",
+    "passport-jwt": "^4.0.1",
+    "reflect-metadata": "^0.2.2",
+    "rxjs": "^7.8.1"
+  },
+  "devDependencies": {
+    "@nestjs/cli": "^11.0.0",
+    "@nestjs/testing": "^11.0.0",
+    "@swc/core": "^1.10.0",
+    "@types/bcrypt": "^5.0.2",
+    "@types/express": "^5.0.0",
+    "@types/node": "^22.0.0",
+    "@types/passport-jwt": "^4.0.1",
+    "@vitest/coverage-v8": "^3.0.0",
+    "prisma": "^6.0.0",
+    "ts-node": "^10.9.2",
+    "tsconfig-paths": "^4.2.0",
+    "typescript": "^5.7.0",
+    "unplugin-swc": "^1.5.0",
+    "vitest": "^3.0.0"
+  }
+}

prisma/schema.prisma

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+generator client {
+  provider = "prisma-client-js"
+}
+
+datasource db {
+  provider = "postgresql"
+  url      = env("DATABASE_URL")
+}
+
+model User {
+  id        String   @id @default(cuid())
+  email     String   @unique
+  username  String   @unique
+  password  String
+  role      Role     @default(MEMBER)
+  createdAt DateTime @default(now())
+  updatedAt DateTime @updatedAt
+}
+
+enum Role {
+  ADMIN
+  DEV
+  MEMBER
+}

src/app.module.ts

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+import { Module } from '@nestjs/common';
+import { ConfigModule } from '@nestjs/config';
+import { PrismaModule } from './prisma/prisma.module';
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({ isGlobal: true }),
+    PrismaModule,
+  ],
+})
+export class AppModule {}

src/main.ts

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+import { NestFactory } from '@nestjs/core';
+import { ValidationPipe } from '@nestjs/common';
+import { SwaggerModule, DocumentBuilder } from '@nestjs/swagger';
+import { AppModule } from './app.module';
+
+async function bootstrap() {
+  const app = await NestFactory.create(AppModule);
+
+  app.useGlobalPipes(new ValidationPipe({ whitelist: true, transform: true }));
+  app.enableCors();
+
+  const config = new DocumentBuilder()
+    .setTitle('CrowMate API')
+    .setDescription('REST API for CrowMate Web Platform')
+    .setVersion('1.0')
+    .addBearerAuth()
+    .build();
+  const document = SwaggerModule.createDocument(app, config);
+  SwaggerModule.setup('api/docs', app, document);
+
+  const port = process.env.PORT ?? 3000;
+  await app.listen(port);
+  console.log(`Application running on port ${port}`);
+}
+bootstrap();

src/prisma/prisma.module.ts

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+import { Global, Module } from '@nestjs/common';
+import { PrismaService } from './prisma.service';
+
+@Global()
+@Module({
+  providers: [PrismaService],
+  exports: [PrismaService],
+})
+export class PrismaModule {}

src/prisma/prisma.service.ts

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+import { Injectable, OnModuleInit } from '@nestjs/common';
+import { PrismaClient } from '@prisma/client';
+
+@Injectable()
+export class PrismaService extends PrismaClient implements OnModuleInit {
+  async onModuleInit() {
+    await this.$connect();
+  }
+}

tsconfig.build.json

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+{
+  "extends": "./tsconfig.json",
+  "exclude": ["node_modules", "test", "dist", "**/*spec.ts"]
+}

tsconfig.json

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+{
+  "compilerOptions": {
+    "module": "commonjs",
+    "declaration": true,
+    "removeComments": true,
+    "emitDecoratorMetadata": true,
+    "experimentalDecorators": true,
+    "allowSyntheticDefaultImports": true,
+    "target": "ES2021",
+    "sourceMap": true,
+    "outDir": "./dist",
+    "baseUrl": "./",
+    "incremental": true,
+    "skipLibCheck": true,
+    "strictNullChecks": true,
+    "noImplicitAny": true,
+    "strictBindCallApply": false,
+    "forceConsistentCasingInFileNames": false,
+    "noFallthroughCasesInSwitch": false
+  }
+}

vitest.config.ts

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+import swc from 'unplugin-swc';
+import { defineConfig } from 'vitest/config';
+
+export default defineConfig({
+  test: {
+    globals: true,
+    root: './',
+  },
+  plugins: [
+    swc.vite({
+      module: { type: 'es6' },
+    }),
+  ],
+});