twenty/packages/twenty-server/src/main.ts

import { ValidationPipe } from '@nestjs/common';
import { NestFactory } from '@nestjs/core';
import { NestExpressApplication } from '@nestjs/platform-express';

import bytes from 'bytes';
import { useContainer } from 'class-validator';
import { graphqlUploadExpress } from 'graphql-upload';

import { LoggerService } from 'src/engine/core-modules/logger/logger.service';
import { ApplyCorsToExceptions } from 'src/utils/apply-cors-to-exceptions';

import { AppModule } from './app.module';
import './instrument';

import { settings } from './engine/constants/settings';
import { generateFrontConfig } from './utils/generate-front-config';

const bootstrap = async () => {
  const app = await NestFactory.create<NestExpressApplication>(AppModule, {
    cors: true,
    bufferLogs: process.env.LOGGER_IS_BUFFER_ENABLED === 'true',
    rawBody: true,
    snapshot: process.env.DEBUG_MODE === 'true',
  });
  const logger = app.get(LoggerService);

  // TODO: Double check this as it's not working for now, it's going to be heplful for durable trees in twenty "orm"
  // // Apply context id strategy for durable trees
  // ContextIdFactory.apply(new AggregateByWorkspaceContextIdStrategy());

  // Apply class-validator container so that we can use injection in validators
  useContainer(app.select(AppModule), { fallbackOnErrors: true });

  // Use our logger
  app.useLogger(logger);

  app.useGlobalFilters(new ApplyCorsToExceptions());

  // Apply validation pipes globally
  app.useGlobalPipes(
    new ValidationPipe({
      transform: true,
    }),
  );
  app.useBodyParser('json', { limit: settings.storage.maxFileSize });
  app.useBodyParser('urlencoded', {
    limit: settings.storage.maxFileSize,
    extended: true,
  });

  // Graphql file upload
  app.use(
    graphqlUploadExpress({
      maxFieldSize: bytes(settings.storage.maxFileSize),
      maxFiles: 10,
    }),
  );

  // Create the env-config.js of the front at runtime
  generateFrontConfig();

  await app.listen(process.env.PORT ?? 3000);
};

bootstrap();