use app version in R2 artifact path

src/apps/build-runner.service.ts

@@ -385,6 +385,7 @@ export class BuildRunnerService implements OnModuleInit, OnModuleDestroy {
     if (!artifact) {
       throw new Error(`산출물을 찾을 수 없습니다: ${outputDir}`);
     }
+    const artifactVersion = await readPackageVersion(workDir);
 
     await fs.mkdir(artifactDir, { recursive: true });
     const destinationName = job.artifact || path.basename(artifact);
@@ -395,6 +396,7 @@ export class BuildRunnerService implements OnModuleInit, OnModuleDestroy {
       job,
       destination,
       destinationName,
+      artifactVersion,
       append,
     );
     const publicBaseUrl = this.configService.get<string>('BUILD_ARTIFACT_BASE_URL');
@@ -417,6 +419,7 @@ export class BuildRunnerService implements OnModuleInit, OnModuleDestroy {
     job: BuildJobWithComponent,
     artifactPath: string,
     artifactName: string,
+    artifactVersion: string | null,
     append: (line: string) => Promise<void>,
   ) {
     const bucket = this.configService.get<string>('R2_BUCKET');
@@ -428,7 +431,7 @@ export class BuildRunnerService implements OnModuleInit, OnModuleDestroy {
       return null;
     }
 
-    const key = this.createArtifactObjectKey(job, artifactName);
+    const key = this.createArtifactObjectKey(job, artifactName, artifactVersion);
     const stat = await fs.stat(artifactPath);
     const sha256 = await sha256File(artifactPath);
     const client = this.getR2Client(accessKeyId, secretAccessKey);
@@ -447,6 +450,7 @@ export class BuildRunnerService implements OnModuleInit, OnModuleDestroy {
         component: safeMetadataValue(job.component.name),
         branch: safeMetadataValue(job.branch),
         commit: safeMetadataValue(job.commitSha ?? ''),
+        version: safeMetadataValue(artifactVersion ?? ''),
       },
     }));
 
@@ -483,16 +487,21 @@ export class BuildRunnerService implements OnModuleInit, OnModuleDestroy {
     return this.r2Client;
   }
 
-  private createArtifactObjectKey(job: BuildJobWithComponent, artifactName: string) {
+  private createArtifactObjectKey(
+    job: BuildJobWithComponent,
+    artifactName: string,
+    artifactVersion: string | null,
+  ) {
     const prefix = this.configService.get<string>('R2_ARTIFACT_PREFIX', 'studio-artifacts');
-    const revision = job.commitSha?.trim().slice(0, 7) || job.id;
+    const versionPath = artifactVersion
+      ? [artifactVersion]
+      : [job.branch, 'latest'];
     return [
       prefix,
       'apps',
       job.component.app.key,
       job.component.name,
-      job.branch,
-      revision,
+      ...versionPath,
       artifactName,
     ].map(sanitizeObjectKeyPart).join('/');
   }
@@ -679,6 +688,18 @@ async function findNewestArtifact(dir: string) {
   return candidates[0]?.path ?? null;
 }
 
+async function readPackageVersion(workDir: string) {
+  try {
+    const packageJson = await fs.readFile(path.join(workDir, 'package.json'), 'utf8');
+    const parsed = JSON.parse(packageJson) as { version?: unknown };
+    return typeof parsed.version === 'string' && parsed.version.trim()
+      ? parsed.version.trim()
+      : null;
+  } catch {
+    return null;
+  }
+}
+
 async function findArtifactCandidates(dir: string): Promise<Array<{ path: string; mtimeMs: number }>> {
   const entries = await fs.readdir(dir, { withFileTypes: true });
   const results: Array<{ path: string; mtimeMs: number }> = [];