Add health check and dev script

apps/server/src/integrations/health/health.controller.ts

@@ -0,0 +1,26 @@
+import { KyselyDB } from '@docmost/db/types/kysely.types';
+import {
+  Controller,
+  Get,
+  HttpCode,
+  HttpStatus,
+  InternalServerErrorException,
+  Post,
+} from '@nestjs/common';
+import { sql } from 'kysely';
+import { InjectKysely } from 'nestjs-kysely';
+
+@Controller()
+export class HealthController {
+  constructor(@InjectKysely() private readonly db: KyselyDB) {}
+
+  @Get('health')
+  @HttpCode(HttpStatus.OK)
+  async health() {
+    try {
+      await sql`SELECT 1=1`.execute(this.db);
+    } catch (error) {
+      throw new InternalServerErrorException('Health check failed');
+    }
+  }
+}

apps/server/src/integrations/health/health.module.ts

@@ -0,0 +1,8 @@
+import { Global, Module } from '@nestjs/common';
+import { HealthController } from './health.controller';
+
+@Global()
+@Module({
+  controllers: [HealthController],
+})
+export class HealthModule {}