backend/.env.example
Set these on your host before deploying. Each platform has an “Environment Variables” section in the deploy flow.
DEEPSEEK_API_KEY
secret
DeepSeek AI API Key（已有）
JWT_SECRET
secret
JWT 密钥（生产环境请使用强随机字符串）
STRIPE_SECRET_KEY
secret
Stripe 支付配置
STRIPE_WEBHOOK_SECRET
secret
STRIPE_PRICE_ID_MONTHLY
secret
FRONTEND_URL
前端 URL（用于 Stripe 支付回跳）
brew install flyctl && fly launch --from https://github.com/liyupi/free-video-downloadercurl -L https://fly.io/install.sh | sh && fly launch --from https://github.com/liyupi/free-video-downloaderiwr https://fly.io/install.ps1 -useb | iex; fly launch --from https://github.com/liyupi/free-video-downloader