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

backend/src/deployments/deployments.service.ts

@@ -45,7 +45,10 @@ export class DeploymentsService {
     try {
       // Step 1: Build image
       await this.updateStatus(deploymentId, DeploymentStatus.BUILDING);
-      const imageUri = await this.buildService.buildImage(app);
+      const { imageUri, buildLog } = await this.buildService.buildImage(app);
+
+      // Save build log
+      await this.deploymentsRepository.update(deploymentId, { buildLog });
 
       // Step 2: Update app with new image tag
       await this.applicationsService.updateImageTag(app.id, imageUri);
@@ -62,9 +65,13 @@ export class DeploymentsService {
       });
     } catch (error: any) {
       this.logger.error(`Deployment ${deploymentId} failed:`, error);
+
+      // Save build log if available (attached by build service on failure)
+      const buildLog = error.buildLog || null;
       await this.deploymentsRepository.update(deploymentId, {
         status: DeploymentStatus.FAILED,
         errorMessage: error.message,
+        ...(buildLog ? { buildLog } : {}),
         finishedAt: new Date(),
       });
     }
@@ -97,6 +104,27 @@ export class DeploymentsService {
     return this.kubernetesService.getPodLogs(app);
   }
 
+  async getBuildLogs(applicationId: string, userId: string): Promise<{ buildLog: string | null; status: string; version: string | null; createdAt: Date }> {
+    // Verify user access
+    await this.applicationsService.findOne(applicationId, userId);
+
+    const latest = await this.deploymentsRepository.findOne({
+      where: { applicationId },
+      order: { createdAt: 'DESC' },
+    });
+
+    if (!latest) {
+      return { buildLog: null, status: 'no_deployment', version: null, createdAt: new Date() };
+    }
+
+    return {
+      buildLog: latest.buildLog || null,
+      status: latest.status,
+      version: latest.version,
+      createdAt: latest.createdAt,
+    };
+  }
+
   async stopDeployment(applicationId: string, userId: string): Promise<Deployment | null> {
     const app = await this.applicationsService.findOne(applicationId, userId);
     await this.kubernetesService.scaleDeployment(app, 0);