use cloudflare pages to upload file to s3 and return download url
| Environment | describe |
|---|---|
| TURNSTILE_SITE_KEY | refer:https://developers.cloudflare.com/turnstile/ |
| TURNSTILE_SECRET_KEY | refer:https://developers.cloudflare.com/turnstile/ |
| AWS_ACCESS_KEY_ID | S3 Access Key ID |
| AWS_SECRET_ACCESS_KEY | S3 Access Key Secret |
| DOWNLOAD_URL_PREFIX | If you dont deploy download proxy worker, this should same with S3_ENDPOINT |
| S3_BUCKET | S3 Bucket Name |
| S3_ENDPOINT | S3 Endpoint url |
| S3_REGION | S3 Region |