PORT=18080 GIN_MODE=release # JWT JWT_SECRET=your-secure-secret # Admin login (simple validation) ADMIN_USERNAME=admin ADMIN_PASSWORD=strong-password # Alibaba Cloud OSS OSS_ENDPOINT=oss-cn-shenzhen.aliyuncs.com OSS_ACCESS_KEY_ID=LTAI5tJLmZMVMgRkeYqVtscu OSS_ACCESS_KEY_SECRET=DhAMQkgk8z3DLewjSJlKZ760Qadnh7 OSS_BUCKET=dy-screenshot