feat: show build logs alongside pod logs in app detail page

backend/src/build/build.service.ts

@@ -18,9 +18,9 @@ export class BuildService {
 
   /**
    * Builds a Docker image for the application using Kaniko inside K8s.
-   * Returns the full image URI (registry/repo:tag).
+   * Returns { imageUri, buildLog } — the full image URI and the build logs.
    */
-  async buildImage(app: Application): Promise<string> {
+  async buildImage(app: Application): Promise<{ imageUri: string; buildLog: string }> {
     // Internal registry (used by Kaniko inside K8s for pushing)
     const internalRegistryUrl = this.configService.get<string>('registry.url') || 'registry.cloudhost-builds.svc.cluster.local:5000';
     // External registry URL (used by kubelet for pulling — NodePort or external)
@@ -239,17 +239,26 @@ export class BuildService {
       // Wait for build to complete
       await this.waitForJobCompletion(batchApi, coreApi, buildPodName, buildNamespace!, 600);
 
+      // Capture build logs on success
+      let buildLog = '';
+      try {
+        buildLog = await this.getBuildLogs(coreApi, buildPodName, buildNamespace!);
+      } catch {}
+
       this.logger.log(`Build completed successfully: ${pullImageUri}`);
-      return pullImageUri;
+      return { imageUri: pullImageUri, buildLog };
     } catch (error: any) {
       // Try to get build logs for debugging
+      let buildLog = '';
       try {
-        const logs = await this.getBuildLogs(coreApi, buildPodName, buildNamespace!);
-        this.logger.error(`Build logs for ${buildPodName}:\n${logs}`);
+        buildLog = await this.getBuildLogs(coreApi, buildPodName, buildNamespace!);
+        this.logger.error(`Build logs for ${buildPodName}:\n${buildLog}`);
       } catch {}
 
       this.logger.error(`Build failed for ${app.name}:`, error.body || error.message);
-      throw new Error(`Image build failed: ${error.body?.message || error.message}`);
+      const err = new Error(`Image build failed: ${error.body?.message || error.message}`);
+      (err as any).buildLog = buildLog;
+      throw err;
     }
   }