Example
Given the following code:

const fastify = require('fastify')()

fastify.register(require('@fastify/formbody'))

fastify.post('/', (req, reply) => {
  reply.send(req.body)
})

fastify.listen(8000, (err) => {
  if (err) throw err
})

AvvioError [Error]: Plugin must be a function or a promise. Received: 'object'
    at assertPlugin (*/node_modules/avvio/boot.js:207:11)
    at Boot._addPlugin (*/node_modules/avvio/boot.js:240:12)
    at Boot.use (*/node_modules/avvio/boot.js:216:25)
    at Object.server.<computed> [as register] (*/node_modules/avvio/boot.js:40:14)
    at runFastify (*/node_modules/fastify-cli/start.js:138:17)
    at async main (*/node_modules/fastify-cli/lib/watch/fork.js:40:13) {
  code: 'AVV_ERR_PLUGIN_NOT_VALID'
}

No overload matches this call.
  Overload 1 of 3, '(plugin: FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProvider>, opts?: FastifyRegisterOptions<...> | undefined): FastifyInstance<...> & PromiseLike<...>', gave the following error.
    Argument of type 'FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProviderDefault>' is not assignable to parameter of type 'FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProvider>'.
      Types of parameters 'instance' and 'instance' are incompatible.
        Type 'FastifyInstance<Server, IncomingMessage, ServerResponse, FastifyBaseLogger, FastifyTypeProvider>' is not assignable to type 'FastifyInstance<Server, IncomingMessage, ServerResponse, FastifyLoggerInstance, FastifyTypeProviderDefault>'.
          Types of property 'log' are incompatible.
            Type 'FastifyBaseLogger' is not assignable to type 'FastifyLoggerInstance'.
              Type 'FastifyBaseLogger' is missing the following properties from type 'LoggerExtras<LoggerOptions>': version, levels, useLevelLabels, customLevels, and 21 more.
  Overload 2 of 3, '(plugin: FastifyPluginAsync<FormBodyPluginOptions, Server, FastifyTypeProvider>, opts?: FastifyRegisterOptions<FormBodyPluginOptions> | undefined): FastifyInstance<...> & PromiseLike<...>', gave the following error.
    Argument of type 'FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProviderDefault>' is not assignable to parameter of type 'FastifyPluginAsync<FormBodyPluginOptions, Server, FastifyTypeProvider>'.
  Overload 3 of 3, '(plugin: FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProvider> | FastifyPluginAsync<FormBodyPluginOptions, Server, FastifyTypeProvider> | Promise<...> | Promise<...>, opts?: FastifyRegisterOptions<...> | undefined): FastifyInstance<...> & PromiseLike<...>', gave the following error.
    Argument of type 'FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProviderDefault>' is not assignable to parameter of type 'FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProvider> | FastifyPluginAsync<FormBodyPluginOptions, Server, FastifyTypeProvider> | Promise<...> | Promise<...>'.
      Type 'FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProviderDefault>' is not assignable to type 'FastifyPluginCallback<FormBodyPluginOptions, Server, FastifyTypeProvider>'.ts(2769)

(node:31444) [FST_MODULE_DEP_FASTIFY-FORMBODY] FastifyWarning.fastify-formbody: fastify-formbody has been deprecated. Use @fastify/[email protected] instead.
(Use `node --trace-warnings ...` to show where the warning was created)

  "dependencies": {
    "@fastify/compress": "^5.0.0",
    "@fastify/cors": "^7.0.0",
    "@fastify/helmet": "^8.1.0",
    "@fastify/request-context": "^3.0.0",
    "@fastify/static": "5.0.2",
    "@fastify/swagger": "^6.1.0",
    "@nestjs/axios": "^0.0.8",
    "@nestjs/common": "^8.4.6",
    "@nestjs/config": "^2.0.1",
    "@nestjs/core": "^8.4.6",
    "@nestjs/platform-fastify": "^8.4.6",
    "@nestjs/swagger": "^5.2.1",
    "@nestjs/terminus": "^8.0.6",
    "@newrelic/winston-enricher": "^3.1.1",
    "class-transformer": "^0.5.1",
    "class-validator": "^0.13.2",
    "cli-color": "^2.0.2",
    "fastify": "3.29.0",
    "lodash": "^4.17.21",
    "newrelic": "^8.13.2",
    "reflect-metadata": "^0.1.13",
    "rimraf": "^3.0.2",
    "rxjs": "^7.5.5",
    "winston": "^3.7.2"
  },
  "devDependencies": {
    "@commitlint/cli": "^17.0.1",
    "@commitlint/config-conventional": "^17.0.0",
    "@compodoc/compodoc": "^1.1.19",
    "@nestjs/cli": "^8.2.6",
    "@nestjs/schematics": "^8.0.11",
    "@nestjs/testing": "^8.4.5",
    "@types/cli-color": "^2.0.2",
    "@types/jest": "^27.5.1",
    "@types/lodash": "^4.14.182",
    "@types/newrelic": "^7.0.3",
    "@types/node": "^17.0.36",
    "@types/supertest": "^2.0.12",
    "@typescript-eslint/eslint-plugin": "^5.26.0",
    "@typescript-eslint/parser": "^5.26.0",
    "commitizen": "^4.2.4",
    "eslint": "^8.16.0",
    "eslint-config-prettier": "^8.5.0",
    "eslint-plugin-prettier": "^4.0.0",
    "husky": "^8.0.1",
    "is-ci": "^3.0.1",
    "jest": "^27.5.1",
    "lint-staged": "^12.4.3",
    "prettier": "^2.6.2",
    "sonarqube-scanner": "^2.8.1",
    "source-map-support": "^0.5.21",
    "supertest": "^6.2.3",
    "ts-jest": "^27.1.5",
    "ts-loader": "^9.3.0",
    "ts-node": "^10.8.0",
    "tsconfig-paths": "^4.0.0",
    "typescript": "^4.7.2"
  },

require('newrelic');

import compression from '@fastify/compress';
import cors from '@fastify/cors';
import helmet from '@fastify/helmet';
import { fastifyRequestContextPlugin } from '@fastify/request-context';
import {
  ClassSerializerInterceptor,
  INestApplication,
  Logger,
  LogLevel,
  ValidationPipe,
  VersioningType,
} from '@nestjs/common';
import { NestFactory, Reflector } from '@nestjs/core';
import {
  FastifyAdapter,
  NestFastifyApplication,
} from '@nestjs/platform-fastify';
import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
import { useContainer } from 'class-validator';
import fastify from 'fastify';
import { AppModule } from './app.module';
import {
  fastifyRequestIdHookHandler,
  HttpExceptionFilter,
  REQUEST_ID_HEADER_KEY,
  WinstonLogger,
} from './common';
import {
  PROJECT_DESCRIPTION,
  PROJECT_NAME,
  PROJECT_VERSION,
} from './constants';


/**
 * Default port number.
 */
const DEFAULT_PORT = 8080;

/**
 * Default base url endpoint for api.
 */
const DEFAULT_API_PREFIX = '/api';

/**
 * Default api version.
 */
const DEFAULT_API_VERSION = '1';

/**
 * Default url endpoint for Swagger UI.
 */
const DEFAULT_SWAGGER_PREFIX = '/docs';

/**
 * Default bootstrap log level.
 */
const DEFAULT_BOOTSTRAP_LOG_LEVEL = 'warn';

/**
 * Setup the Swagger (UI).
 *
 * @param app
 */

const loggerInstance = new Logger('main');
export const setupSwagger = (app: INestApplication) => {
  const options = new DocumentBuilder()
    .setTitle(PROJECT_NAME)
    .setDescription(PROJECT_DESCRIPTION)
    .setVersion(PROJECT_VERSION)
    .build();

  const document = SwaggerModule.createDocument(app, options);
  const path = process.env.SWAGGER_PREFIX || DEFAULT_SWAGGER_PREFIX;

  SwaggerModule.setup(path, app, document);
};

/**
 * Bootstrap the app.
 */
async function bootstrap() {
  const fastifyInstance = fastify({
    ignoreTrailingSlash: true,
    requestIdHeader: REQUEST_ID_HEADER_KEY,
  });

  const app = await NestFactory.create<NestFastifyApplication>(
    AppModule,
    new FastifyAdapter(fastifyInstance),
    {
      logger: [
        (process.env.LOG_LEVEL || DEFAULT_BOOTSTRAP_LOG_LEVEL) as LogLevel,
      ],
      abortOnError: false,
    },
  );

  app.enableVersioning({
    type: VersioningType.URI,
    defaultVersion: process.env.API_VERSION || DEFAULT_API_VERSION,
  });
  loggerInstance.debug(process.env.NEW_RELIC_LICENSE_KEY);
  app.register(fastifyRequestContextPlugin);
  app.useLogger(app.get(WinstonLogger));
  app.setGlobalPrefix(process.env.PREFIX || DEFAULT_API_PREFIX);

  fastifyInstance.addHook('onRequest', fastifyRequestIdHookHandler);
  setupSwagger(app);

  app.register(cors);
  app.register(compression);
  app.register(helmet, {
    contentSecurityPolicy: {
      directives: {
        defaultSrc: [`'self'`],
        styleSrc: [`'self'`, `'unsafe-inline'`],
        imgSrc: [`'self'`, 'data:', 'validator.swagger.io'],
        scriptSrc: [`'self'`, `https: 'unsafe-inline'`],
      },
    },
  });

  useContainer(app.select(AppModule), { fallbackOnErrors: true });

  app.useGlobalPipes(
    new ValidationPipe({
      transform: true,
      whitelist: true,
      forbidUnknownValues: true,
      transformOptions: {
        enableImplicitConversion: true,
      },
    }),
  );
  app.useGlobalFilters(new HttpExceptionFilter());
  app.useGlobalInterceptors(
    new ClassSerializerInterceptor(app.get<Reflector>(Reflector), {
      enableImplicitConversion: true,
    }),
  );
  await app.listen(process.env.PORT || DEFAULT_PORT, '0.0.0.0');
}

// Start the app
bootstrap().catch((error) => loggerInstance.error(error));

(node:32394) [FST_MODULE_DEP_FASTIFY-FORMBODY] FastifyWarning.fastify-formbody: fastify-formbody has been deprecated. Use @fastify/[email protected] instead.
(Use `node --trace-warnings ...` to show where the warning was created)

const Fastify = require("fastify");
const Formbody = require('@fastify/formbody');
const server = Fastify({
      connectionTimeout: 20 * 1000,
      logger: false
});
server.register(Formbody);
server.listen(3000,"0.0.0.0",(err,address)=>{
    if (err)
        throw err;
   else 
       console.log( "Server is active");
});