chore: Node(ESM) 앱 스캐폴드 — Express + Postgres/MinIO 연결, podman/Coolify 설정

new-project 템플릿 기반. /healthz /db /s3 연결 확인 엔드포인트,
src/config.js 경유 외부연결, Dockerfile/compose(podman), CLAUDE.md 규약 포함.

Co-Authored-By: Claude Opus 4.8 <noreply@anthropic.com>

package.json

@@ -0,0 +1,21 @@
+{
+  "name": "sample",
+  "version": "0.1.0",
+  "description": "사내 Node 샘플 — podman 로컬개발 + Coolify(Dockerfile) 배포",
+  "type": "module",
+  "main": "src/server.js",
+  "scripts": {
+    "dev": "node --watch src/server.js",
+    "start": "node src/server.js",
+    "db:check": "node scripts/check-db.js",
+    "minio:check": "node scripts/check-minio.js"
+  },
+  "engines": {
+    "node": ">=22"
+  },
+  "dependencies": {
+    "@aws-sdk/client-s3": "^3.700.0",
+    "express": "^4.21.2",
+    "pg": "^8.13.1"
+  }
+}