feat(wip): initial boilerplate

src/app.module.ts

@@ -0,0 +1,48 @@
+import { Module } from '@nestjs/common';
+import { TypeOrmModule } from '@nestjs/typeorm';
+import { ConfigModule, ConfigService } from '@nestjs/config';
+import * as Joi from 'joi';
+import { UsersModule } from './users/users.module';
+import { SnakeNamingStrategy } from 'typeorm-naming-strategies';
+import configuration from './config/configuration';
+
+@Module({
+  imports: [
+    ConfigModule.forRoot({
+      load: [configuration],
+      validationSchema: Joi.object({
+        NODE_ENV: Joi.string()
+          .valid('development', 'production', 'test', 'provision')
+          .default('development'),
+        PORT: Joi.number().default(3000),
+        DATABASE_CLIENT: Joi.valid('mysql', 'postgres'),
+        DATABASE_HOST: Joi.string(),
+        DATABASE_NAME: Joi.string(),
+        DATABASE_USERNAME: Joi.string(),
+        DATABASE_PASSWORD: Joi.string().empty('').default(''),
+        DATABASE_PORT: Joi.number().default(5432),
+      }),
+    }),
+    TypeOrmModule.forRootAsync({
+      imports: [ConfigModule],
+      useFactory: (configService: ConfigService) => {
+        return {
+          type: configService.get<'postgres' | 'mysql'>('database.client'),
+          host: configService.get<string>('database.host'),
+          port: configService.get<number>('database.port'),
+          username: configService.get<string>('database.username'),
+          password: configService.get<string>('database.password'),
+          database: configService.get<string>('database.name'),
+          entities: [],
+          synchronize: true,
+          autoLoadEntities: true,
+          logging: true,
+          namingStrategy: new SnakeNamingStrategy(),
+        };
+      },
+      inject: [ConfigService],
+    }),
+    UsersModule,
+  ],
+})
+export class AppModule {}