set content type for wellknown configuration

backend/src/app.controller.ts

@@ -1,11 +1,12 @@
-import { Body, Controller, Get, Post } from '@nestjs/common';
+import { Body, Controller, Get, Header, Post } from '@nestjs/common';
 import { AppService } from './app.service';
 
 @Controller()
 export class AppController {
  constructor(private readonly appService: AppService) {}
 
  @Get('.well-known/did-configuration.json')
+ @Header('content-type', 'application/json')
  didConfiguration(): string {
  return JSON.stringify({
  '@context':

backend/src/app.module.ts

@@ -26,15 +26,15 @@ import { UserModule } from './user/user.module';
  controllers: [AppController],
  providers: [AppService],
 })
+// allow CORS for wellknown did-configuration
+// revert to: export class AppModule {}
+// once CORS is unneeded
 @Module({ controllers: [AppController] })
 export class AppModule implements NestModule {
  configure(consumer: MiddlewareConsumer) {
- consumer
- .apply(cors())
- //This one route will have its cors config overriden with the custom implementation
- .forRoutes({
- path: '.well-known/did-configuration.json',
- method: RequestMethod.GET,
- });
+ consumer.apply(cors()).forRoutes({
+ path: '.well-known/did-configuration.json',
+ method: RequestMethod.GET,
+ });
  }
 }