chore: add NATS credential support in connection-manager

apps/connection-manager/src/application.ts

 import type { ConfigType } from '@nestjs/config';
+import type { ClientProvider } from '@nestjs/microservices';
 
 import { Module } from '@nestjs/common';
 import { ConfigModule } from '@nestjs/config';
@@ -34,12 +35,21 @@ import { InvitationsModule } from './invitations/invitations.module.js';
         {
           name: NATS_CLIENT,
           inject: [natsConfig.KEY],
-          useFactory: (config: ConfigType<typeof natsConfig>) => ({
-            transport: Transport.NATS,
-            options: {
-              url: config.url as string,
-            },
-          }),
+          useFactory: (config: ConfigType<typeof natsConfig>) => {
+            const provider: Required<ClientProvider> = {
+              transport: Transport.NATS,
+              options: {
+                servers: config.url as string,
+              },
+            };
+
+            if ('user' in config && 'password' in config) {
+              provider.options.user = config.user as string;
+              provider.options.pass = config.password as string;
+            }
+
+            return provider;
+          },
         },
       ],
     }),

apps/connection-manager/src/config/http.config.ts

 import { registerAs } from '@nestjs/config';
 
 export const httpConfig = registerAs('http', () => ({
-  host: process.env.HTTP_HOST,
-  port: Number(process.env.HTTP_PORT),
+  host: process.env.HOST || '0.0.0.0',
+  port: Number(process.env.PORT) || 3000,
 }));

apps/connection-manager/src/config/nats.config.ts

 import { registerAs } from '@nestjs/config';
 
 export const natsConfig = registerAs('nats', () => ({
-  url: process.env.NATS_URL,
-  monitoringUrl: process.env.NATS_MONITORING_URL,
+  url: process.env.NATS_URL || 'nats://localhost:4222',
+  user: process.env.NATS_USER,
+  password: process.env.NATS_PASSWORD,
+  monitoringUrl: process.env.NATS_MONITORING_URL || 'http://localhost:8222',
 }));

apps/connection-manager/src/config/ssi.config.ts

 import { registerAs } from '@nestjs/config';
 
 export const ssiConfig = registerAs('ssi', () => ({
-  agentUrl: process.env.SSI_AGENT_URL,
+  agentUrl: process.env.SSI_AGENT_URL || 'http://localhost:3010',
 }));

apps/connection-manager/src/config/validation.ts

 import Joi from 'joi';
 
 export const validationSchema = Joi.object({
-  HTTP_HOST: Joi.string().default('0.0.0.0'),
-  HTTP_PORT: Joi.number().default(3000),
+  HTTP_HOST: Joi.string(),
+  HTTP_PORT: Joi.number(),
 
-  NATS_URL: Joi.string().uri().default('nats://localhost:4222'),
-  NATS_MONITORING_URL: Joi.string().uri().default('http://localhost:8222'),
+  NATS_URL: Joi.string().uri(),
+  NATS_USER: Joi.string().optional(),
+  NATS_PASSWORD: Joi.string().optional(),
+  NATS_MONITORING_URL: Joi.string().uri(),
 
-  SSI_AGENT_URL: Joi.string().default('http://localhost:3010'),
+  SSI_AGENT_URL: Joi.string(),
 });

apps/connection-manager/src/main.ts

 /* c8 ignore start */
-import type { MicroserviceOptions } from '@nestjs/microservices';
+import type { ConfigType } from '@nestjs/config';
+import type { MicroserviceOptions, NatsOptions } from '@nestjs/microservices';
 
 import { VersioningType } from '@nestjs/common';
 import { ConfigService } from '@nestjs/config';
@@ -8,17 +9,29 @@ import { Transport } from '@nestjs/microservices';
 import { DocumentBuilder, SwaggerModule } from '@nestjs/swagger';
 
 import { Application } from './application.js';
+import { natsConfig } from './config/nats.config.js';
 
 const app = await NestFactory.create(Application);
 const configService = app.get(ConfigService);
 app.enableCors();
 
-app.connectMicroservice<MicroserviceOptions>({
+const { url, user, password } = app.get(natsConfig.KEY) as ConfigType<
+  typeof natsConfig
+>;
+
+const microserviceOptions: Required<NatsOptions> = {
   transport: Transport.NATS,
   options: {
-    servers: [configService.get('nats').url],
+    servers: [url],
   },
-});
+};
+
+if (user && password) {
+  microserviceOptions.options.user = user;
+  microserviceOptions.options.pass = password;
+}
+
+app.connectMicroservice<MicroserviceOptions>(microserviceOptions);
 
 app.enableVersioning({
   defaultVersion: ['1'],