feat: register service to api gateway.

src/main.ts

@@ -5,6 +5,7 @@ import { NestFactory } from '@nestjs/core';
 import { AppModule } from './app.module';
 import { HttpExceptionFilter } from './commons/filters/all.exception-filter';
 import { SanitizePipe } from './commons/pipes/sanitize.pipe';
+import { ServiceRegister } from 'configuration';
 
 async function bootstrap() {
   const app = await NestFactory.create(AppModule, { bodyParser: false });
@@ -17,6 +18,10 @@ async function bootstrap() {
   );
   const httpExceptionFilterLogger = await app.resolve(PinoLogger);
   app.useGlobalFilters(new HttpExceptionFilter(httpExceptionFilterLogger));
-  await app.listen(configService.get<number>('http.port'));
+  const server = await app.listen(configService.get<number>('http.port', 0));
+  const port = server.address().port;
+  const register = new ServiceRegister({ etcd: { hosts: 'http://rpi:2379' } });
+  register.register('fennec/api', `http://localhost:${port}`);
+  register.register('api.fennec', `http://localhost:${port}`);
 }
 bootstrap();