A production-ready, serverless file storage application built on AWS with secure authentication, file sharing, and management capabilities.

• 🔐 Secure Authentication - AWS Cognito user management
• 📁 File Management - Upload, download, delete files
• 🔗 File Sharing - Generate secure sharing links
• 📊 Dashboard - File statistics and management
• 🛡️ Enterprise Security - Encryption, CORS, role-based access
• ⚡ Serverless Architecture - Auto-scaling, cost-effective

• AWS CLI configured
• Python 3.9+
• Bash shell
• Web browser

cd aws-infrastructure/scripts
./deploy-complete-system.sh

cd frontend
./start.sh

Open http://localhost:3000 in your browser

cloud-file-storage-system/
├── frontend/                    # Web interface
│   ├── index.html              # Main application
│   ├── shared.html             # Shared file viewer
│   └── start.sh               # Server startup
├── backend/lambda-functions/    # Serverless backend
│   ├── upload-file/           # File upload handler
│   ├── download-file/         # File download handler
│   ├── list-files/           # File listing handler
│   ├── delete-file/          # File deletion handler
│   ├── share-file/           # File sharing handler
│   ├── get-shared-file/      # Shared file access
│   └── shared/utils.py       # Common utilities
└── aws-infrastructure/         # Infrastructure as Code
    ├── infrastructure/        # CloudFormation templates
    └── scripts/              # Deployment scripts

• GET /files - List user files
• POST /files - Upload file
• GET /files/{id} - Download file
• DELETE /files/{id} - Delete file
• POST /files/{id}/share - Create share link
• GET /shared/{shareId} - Access shared file

• Frontend: HTML5, CSS3, JavaScript
• Backend: AWS Lambda (Python 3.9)
• Database: Amazon DynamoDB
• Storage: Amazon S3
• Authentication: Amazon Cognito
• API: Amazon API Gateway
• Infrastructure: AWS CloudFormation

See COMPLETE_DOCUMENTATION.md for detailed setup, usage, and troubleshooting guide.

1. Deployment fails - Check AWS credentials and permissions
2. CORS errors - Verify API Gateway CORS configuration
3. Authentication issues - Check Cognito User Pool settings

# Check AWS resources
aws cloudformation list-stacks
aws s3 ls
aws dynamodb list-tables

# View Lambda logs
aws logs describe-log-groups --log-group-name-prefix /aws/lambda/file-storage

For issues and questions:

1. Check AWS CloudWatch logs
2. Verify AWS resource status in console
3. Review browser console for frontend errors

• File previews and thumbnails
• Folder organization
• Advanced sharing controls
• Mobile application
• Admin dashboard

🎉 Built with AWS serverless technologies for scalability and reliability.