# Falah OS v1.3 Production - Implementation Tasks

## Phase 1: Core Infrastructure (Weeks 1-2)

### Week 1: Database & Redis HA
- [ ] Create `docker-compose.ha.yml` with PostgreSQL replicas
- [ ] Set up streaming replication configuration
- [ ] Configure pgBouncer for connection pooling
- [ ] Set up Redis Sentinel for automatic failover
- [ ] Configure Redis persistence (AOF + RDB)
- [ ] Create backup script with S3/GCS upload
- [ ] Set up automated daily backup schedule (cron)
- [ ] Test failover scenarios

### Week 2: Load Balancing & Service Mesh
- [ ] Install Traefik/HAProxy
- [ ] Configure SSL termination
- [ ] Set up health checks for all services
- [ ] Configure upstream routing
- [ ] (Optional) Install Istio
- [ ] Configure mTLS between services
- [ ] Update docker-compose.yml with new infrastructure

## Phase 2: Observability (Weeks 2-3)

### Week 2: Metrics & Logging
- [ ] Deploy Prometheus
- [ ] Create service exporters (Node, PostgreSQL, Redis)
- [ ] Build Grafana dashboards (system, API, business)
- [ ] Deploy Loki for log aggregation
- [ ] Implement trace ID propagation
- [ ] Configure log retention policies
- [ ] Set up error alerting

### Week 3: Alerting & Tracing
- [ ] Configure Prometheus Alertmanager
- [ ] Set up notification channels (email, Slack)
- [ ] Implement on-call rotation
- [ ] Deploy OpenTelemetry collectors
- [ ] Set up Jaeger for tracing
- [ ] Document runbooks for common alerts

## Phase 3: Security (Weeks 3-4)

### Week 3: Secrets & Network
- [ ] Deploy HashiCorp Vault
- [ ] Configure dynamic database credentials
- [ ] Migrate all secrets to Vault
- [ ] Implement volume encryption
- [ ] Deploy WAF (ModSecurity/Cloudflare)
- [ ] Configure network policies

### Week 4: Audit & Compliance
- [ ] Implement immutable audit logging
- [ ] Create transaction audit trail
- [ ] Run dependency vulnerability scan (Trivy)
- [ ] Scan all Docker images for CVEs
- [ ] Conduct penetration testing
- [ ] Document compliance controls

## Phase 4: Reliability (Weeks 4-5)

### Week 4: Disaster Recovery
- [ ] Design multi-region architecture
- [ ] Create DR automation scripts
- [ ] Document RTO/RPO procedures
- [ ] Test failover to DR region
- [ ] Verify backup restoration

### Week 5: Chaos & Resilience
- [ ] Deploy Chaos Mesh
- [ ] Create failure injection scenarios
- [ ] Implement circuit breakers
- [ ] Add retry with exponential backoff
- [ ] Set up dead letter queues
- [ ] Run first Game Day exercise

## Phase 5: Performance (Weeks 5-6)

### Week 5: Caching & Optimization
- [ ] Integrate CDN (Cloudflare/Fastly)
- [ ] Implement Redis API caching
- [ ] Enable HTTP/2 on nginx
- [ ] Configure response compression
- [ ] Optimize PostgreSQL queries
- [ ] Add indexes for common queries

### Week 6: Load Testing & Launch
- [ ] Write k6 load test scenarios
- [ ] Run baseline performance tests
- [ ] Conduct stress testing
- [ ] Define performance budgets
- [ ] Finalize SLA documentation
- [ ] Production go-live

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## Documentation Tasks
- [ ] Update architecture diagrams
- [ ] Create deployment runbooks
- [ ] Document API references
- [ ] Write security policies
- [ ] Create user guides

## Testing Tasks
- [ ] Unit tests for all services
- [ ] Integration tests for API Gateway
- [ ] E2E tests for critical paths
- [ ] Performance benchmarks
- [ ] Security penetration tests

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## New Features (If Time Permits)
- [ ] Multi-tenant isolation
- [ ] API versioning implementation
- [ ] Webhook system
- [ ] Plugin system design
- [ ] Mobile SDKs (iOS/Android)

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## Dependencies

### External Services Needed
- S3/GCS bucket for backups
- CDN provider (Cloudflare/Fastly)
- Monitoring domain
- SSL certificates (Let's Encrypt)
- Email service for alerts (SendGrid/SES)
- PagerDuty/OpsGenie for on-call

### Tools Required
- k6 (load testing)
- Trivy (container scanning)
- Chaos Mesh (chaos engineering)
- Vault (secrets management)
- Prometheus/Grafana (monitoring)
- Loki (logging)
- Jaeger (tracing)

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## Notes
- All critical (P0) tasks must complete before production launch
- P1 tasks should complete within 2 weeks of launch
- P2 tasks are optional for v1.3
- Review progress weekly with stakeholders