.env.example

# ============================================
# Spotify API Configuration
# ============================================
# 請在 https://developer.spotify.com/dashboard 建立應用程式取得 Client ID
NEXT_PUBLIC_SPOTIFY_CLIENT_ID=your_spotify_client_id_here
NEXT_PUBLIC_SPOTIFY_REDIRECT_URI_WEB=http://127.0.0.1:3000/callback
NEXT_PUBLIC_SPOTIFY_REDIRECT_URI_PROD=https://your-domain.com/callback

# Spotify Client Secret (後端 Cron Job 用來刷新 token)
SPOTIFY_CLIENT_ID=your_spotify_client_id_here
SPOTIFY_CLIENT_SECRET=your_spotify_client_secret_here

# ============================================
# Database (Supabase)
# ============================================
# 在 Supabase Dashboard > Settings > Database 取得連接字串
# 使用 Session Pooler 連接 (IPv4 相容)
DATABASE_URL=postgresql://postgres.your_project_id:your_password@aws-1-ap-northeast-1.pooler.supabase.com:5432/postgres?sslmode=require

# ============================================
# Vercel Cron Job Security
# ============================================
# 用於驗證 Cron Job 請求，可以是任意隨機字串
CRON_SECRET=your_random_secret_here