# Deployment Documentation

This directory contains comprehensive deployment guides for the Multi-Tenant SaaS Platform for Malaysian SMEs.

## Table of Contents

- [Getting Started](./getting-started.md) - Quick start and prerequisites
- [Development Setup](./development-setup.md) - Local development environment
- [Production Deployment](./production-deployment.md) - Production deployment guide
- [Docker Deployment](./docker-deployment.md) - Container-based deployment
- [Cloud Deployment](./cloud-deployment.md) - Cloud platform deployment
- [Monitoring and Maintenance](./monitoring.md) - System monitoring and maintenance

## Deployment Options

### 1. Local Development
- Quick setup for development and testing
- Full environment with all services
- Ideal for development and demonstration

### 2. Docker Container
- Containerized deployment
- Consistent environments
- Easy scaling and management

### 3. Cloud Platform
- AWS, Azure, or Google Cloud deployment
- Scalable and production-ready
- Managed services and monitoring

### 4. Hybrid Deployment
- Mix of cloud and on-premises
- Custom deployment scenarios
- Advanced configuration options

## Prerequisites

### System Requirements
- Linux/Unix-based operating system
- Minimum 8GB RAM (16GB recommended)
- 4 CPU cores (8 recommended)
- 100GB storage space
- PostgreSQL 13+
- Redis 6+
- Node.js 16+

### Software Requirements
- Docker (for container deployment)
- Kubernetes (for orchestration)
- Git for version control
- SSL certificates for production
- Domain name configuration

### Malaysian Requirements
- Malaysian data center compliance
- PDPA data protection measures
- Local timezone configuration
- Malaysian payment gateway setup

## Quick Start

1. **Clone Repository**
   ```bash
   git clone https://github.com/your-org/multi-tenant-saas.git
   cd multi-tenant-saas
   ```

2. **Install Dependencies**
   ```bash
   ./scripts/install-dependencies.sh
   ```

3. **Configure Environment**
   ```bash
   cp .env.example .env
   # Edit .env with your configuration
   ```

4. **Run Database Migrations**
   ```bash
   python manage.py migrate
   ```

5. **Start Services**
   ```bash
   docker-compose up -d
   ```

## Architecture Overview

### Components
- **Backend**: Django REST API with PostgreSQL
- **Frontend**: React.js application
- **Database**: PostgreSQL with Row-Level Security
- **Cache**: Redis for caching and sessions
- **Queue**: Celery for background tasks
- **Storage**: S3-compatible storage
- **Monitoring**: Prometheus and Grafana

### Multi-Tenant Architecture
- Schema-based multi-tenancy
- Row-level security
- Tenant isolation
- Shared infrastructure

## Security Considerations

### Data Protection
- PDPA compliance for Malaysian data
- Encryption at rest and in transit
- Regular security audits
- Access control and authentication

### Network Security
- Firewall configuration
- SSL/TLS encryption
- VPN access for management
- Intrusion detection

### Application Security
- Regular security updates
- Vulnerability scanning
- Code security reviews
- Dependency management

## Backup and Recovery

### Backup Strategy
- Daily automated backups
- Database snapshots
- File system backups
- Off-site backup storage

### Recovery Procedures
- Disaster recovery plan
- Backup restoration procedures
- Data integrity verification
- Failover testing

## Monitoring and Logging

### System Monitoring
- Resource utilization
- Application performance
- Database performance
- Network monitoring

### Application Logging
- Structured logging
- Error tracking
- Performance metrics
- User activity logging

### Alerting
- System alerts
- Application errors
- Performance thresholds
- Security incidents

## Performance Optimization

### Database Optimization
- Query optimization
- Index management
- Connection pooling
- Database caching

### Application Optimization
- Code optimization
- Caching strategies
- Load balancing
- CDN integration

### Infrastructure Optimization
- Server scaling
- Network optimization
- Storage optimization
- Resource allocation

## Support and Maintenance

### Regular Maintenance
- Security updates
- Performance tuning
- Database maintenance
- Log rotation

### Support Procedures
- Issue tracking
- Bug fixes
- Feature requests
- User support

### Documentation
- User guides
- API documentation
- Troubleshooting guides
- Best practices

## Getting Help

### Resources
- Documentation: https://docs.yourplatform.com
- Community: https://community.yourplatform.com
- Support: support@yourplatform.com
- Status: https://status.yourplatform.com

### Emergency Contact
- Critical issues: emergency@yourplatform.com
- Security incidents: security@yourplatform.com
- Data breaches: privacy@yourplatform.com