ApiCore/ApiCore-Backend/src/health/health.controller.ts

import {
  Controller,
  Get,
  ServiceUnavailableException,
  VERSION_NEUTRAL,
} from '@nestjs/common';
import { ApiTags } from '@nestjs/swagger';
import { PrismaService } from '../prisma/prisma.service';
import { Public } from '../auth/decorators/public.decorator';

@ApiTags('health')
@Public()
@Controller({ path: 'health', version: VERSION_NEUTRAL })
export class HealthController {
  constructor(private readonly prisma: PrismaService) {}

  @Get()
  liveness(): { status: 'ok' } {
    return { status: 'ok' };
  }

  @Get('ready')
  async readiness(): Promise<{ status: 'ok' }> {
    try {
      await this.prisma.$queryRaw`SELECT 1`;
      return { status: 'ok' };
    } catch {
      throw new ServiceUnavailableException('Database not reachable');
    }
  }
}