feat(laravel): auto-set APP_URL from platform or custom domain

Inject APP_URL for Laravel/PHP apps when missing: on create from the
platform subdomain, on custom-domain verification from the verified host,
and at deploy time as a safety net. Never overwrites user-provided values.

Co-authored-by: Cursor <cursoragent@cursor.com>

backend/src/kubernetes/kubernetes.service.ts

@@ -8,6 +8,7 @@ import { promisify } from 'util';
 import { PassThrough } from 'stream';
 import { ClustersService } from '../clusters/clusters.service';
 import { Application } from '../applications/entities/application.entity';
+import { ensureAppUrlEnv } from '../applications/app-url.util';
 import { AppRuntime, DatabaseType, CustomDomainStatus } from '../common/enums';
 import { HelmService } from './helm.service';
 
@@ -101,6 +102,11 @@ export class KubernetesService implements OnModuleInit {
   /**
    * Build Helm values object from an Application entity and image URI.
    */
+  private resolveEnvVars(app: Application): Record<string, string> {
+    const platformDomain = this.configService.get('platform.domain') || 'apps.cloudhost.ir';
+    return ensureAppUrlEnv(app, platformDomain);
+  }
+
   private buildHelmValues(app: Application, imageUri: string): Record<string, any> {
     const domain = this.configService.get('platform.domain');
     const pullRegistryUrl = this.configService.get<string>('registry.pullUrl') || 'localhost:30500';
@@ -124,7 +130,7 @@ export class KubernetesService implements OnModuleInit {
         memoryRequest: app.memoryRequest,
         memoryLimit: app.memoryLimit,
       },
-      envVars: app.envVars || {},
+      envVars: this.resolveEnvVars(app),
       ingress: {
         enabled: true,
         subdomain: app.subdomain || app.name,
@@ -224,7 +230,7 @@ export class KubernetesService implements OnModuleInit {
         cpuLimit: app.cpuLimit,
         memoryRequest: app.memoryRequest,
         memoryLimit: app.memoryLimit,
-        envVars: app.envVars || {},
+        envVars: this.resolveEnvVars(app),
         runtime: app.runtime,
         databaseType: app.databaseType,
         domain,
@@ -282,7 +288,7 @@ export class KubernetesService implements OnModuleInit {
       cpuLimit: app.cpuLimit,
       memoryRequest: app.memoryRequest,
       memoryLimit: app.memoryLimit,
-      envVars: app.envVars || {},
+      envVars: this.resolveEnvVars(app),
       runtime: app.runtime,
       databaseType: app.databaseType,
       domain: domain,