Initial commit: Full project structure

- Backend: NestJS with Docker
- Frontend: Next.js with Docker
- Nginx configuration for reverse proxy
- PostgreSQL setup
- Docker compose for orchestration
- Development environment configuration

backend/src/modules/auth/dto/login.dto.ts

@@ -0,0 +1,23 @@
+// backend/src/modules/auth/dto/login.dto.ts
+import { IsEmail, IsString, MinLength } from 'class-validator';
+import { ApiProperty } from '@nestjs/swagger';
+
+export class LoginDto {
+  @ApiProperty({
+    description: 'User email address',
+    example: 'user@example.com',
+    required: true,
+  })
+  @IsEmail({}, { message: 'Please provide a valid email address' })
+  email: string;
+
+  @ApiProperty({
+    description: 'User password (min 6 characters)',
+    example: 'password123',
+    required: true,
+    minLength: 6,
+  })
+  @IsString()
+  @MinLength(6, { message: 'Password must be at least 6 characters long' })
+  password: string;
+}