Firebase Solution

This document outlines a lightweight, cost-effective implementation of the NFM Payment Gateway using Firebase and Firestore. This solution focuses on reducing operational costs while maintaining system reliability and security.

Infrastructure Overview

Core Components

Firebase Hosting

Firestore Database

Clerk Authentication

Cost Analysis

Current System Costs (April 2025)

Monthly Production Costs:
Cloud SQL (MySQL):        ฿10,384.86
- Storage:     ฿4,094.02
- vCPU:       ฿3,845.70
- RAM:        ฿2,445.14

Compute Engine:          ฿6,600.43
- Instance Cores: ฿3,119.61
- RAM:           ฿1,886.16
- Storage:       ฿1,117.71
- IP Charges:    ฿476.95

Total Monthly Cost:      ฿16,985.29

Projected Firebase Costs

Estimated Monthly Costs:
Firebase Hosting:
- Storage (10GB):          ฿260
- Data Transfer (50GB):    ฿750

Firestore:
- Document Reads:          ฿500
- Document Writes:         ฿400
- Storage:                 ฿300

Clerk: 
- Free Plan:              ฿0
- Developer Pro Plan:     ฿925 (optional)

Total Estimated Cost:     ฿2,210 - ฿3,135
Monthly Savings:          ฿13,850 (~78% reduction)

Implementation Phases

Phase 1: Core Feature Parity (4-5 weeks)

Phase 2: Payout System (3-4 weeks)

Phase 3: Enhanced Features (3-4 weeks)

Total Timeline: 10-13 weeks

Technical Benefits

1. Zero Infrastructure Management

   • No server maintenance
   • Automatic updates
   • Built-in security patches

2. Automatic Scaling

   • Handles traffic spikes
   • Scales to zero when idle
   • Pay-per-use pricing

3. Built-in Monitoring

   • Real-time metrics
   • Error tracking
   • Performance monitoring

4. Simplified Deployment

   • One-command deployments
   • Automatic rollbacks
   • Version management

Risk Mitigation

1. Data Migration

• Staged migration approach
• Comprehensive testing environment
• Rollback procedures
• Data validation checks

2. Performance Monitoring

• Load testing with production data
• Performance baseline establishment
• Monitoring alert setup
• Optimization guidelines

3. Cost Control

• Usage monitoring
• Alert thresholds
• Resource optimization
• Budget controls

Implementation Steps

1. Immediate Actions (1 week)

• Firebase project creation
• Clerk tenant setup
• Development environment configuration
• Initial security setup

2. Validation Phase (1-2 weeks)

• Core workflow prototypes
• Performance testing
• Cost validation
• Security assessment

3. Migration Planning

• Data migration strategy
• Rollout schedule
• Training documentation
• Support procedures

Current Challenges & Solutions

1. Resource Utilization

Current Issues:

• Fixed compute capacity
• Storage over-provisioning
• No auto-scaling
• Manual monitoring

Firebase Solutions:

• Automatic resource scaling
• Pay-per-use storage
• Built-in auto-scaling
• Integrated monitoring

2. Operational Overhead

Current Issues:

• Manual scaling
• Database maintenance
• Security updates
• Human resource requirements

Firebase Solutions:

• Automatic scaling
• Zero maintenance
• Automatic updates
• Minimal operational needs

Conclusion

The Firebase solution offers a pragmatic approach to modernizing the infrastructure with:

• 78% reduction in infrastructure costs
• Simplified operational management
• Accelerated development timeline
• Enhanced security through proven platforms
• Scalable foundation for future growth

This solution balances immediate business needs with long-term technical sustainability while providing clear cost benefits and