# AS4 Settlement Deployment Checklist

**Date**: 2026-01-19  
**Version**: 1.0.0

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## Pre-Deployment

### Database
- [ ] Database migration created and tested
- [ ] Migration applied to staging environment
- [ ] Migration applied to production environment
- [ ] Database indexes verified
- [ ] Foreign key constraints verified

### Code
- [ ] All routes registered in `app.ts`
- [ ] All services implemented
- [ ] TypeScript compilation successful
- [ ] Linter checks passed
- [ ] Unit tests written and passing
- [ ] Integration tests written and passing

### Configuration
- [ ] Environment variables documented
- [ ] `.env` file configured for staging
- [ ] `.env` file configured for production
- [ ] Certificate paths configured
- [ ] HSM configuration (if applicable)
- [ ] Redis configuration
- [ ] ChainID 138 RPC URL configured

### Marketplace
- [ ] Marketplace offering seeded
- [ ] Offering visible in marketplace
- [ ] Pricing configured correctly
- [ ] Documentation links working

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## Deployment

### Infrastructure
- [ ] AS4 Gateway instances deployed
- [ ] Load balancer configured
- [ ] Database connection pool configured
- [ ] Redis cluster configured
- [ ] Monitoring configured

### Security
- [ ] TLS certificates installed
- [ ] Signing certificates installed
- [ ] HSM configured (if applicable)
- [ ] Firewall rules configured
- [ ] DDoS protection enabled
- [ ] Rate limiting configured

### Services
- [ ] Member Directory service running
- [ ] AS4 Gateway service running
- [ ] Settlement Core service running
- [ ] Compliance services running
- [ ] Ledger integration running

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## Post-Deployment

### Verification
- [ ] Health check endpoint responding
- [ ] Member registration working
- [ ] Instruction submission working
- [ ] Advice generation working
- [ ] Statement generation working

### Monitoring
- [ ] Prometheus metrics configured
- [ ] Alerting rules configured
- [ ] Log aggregation configured
- [ ] Dashboard created

### Documentation
- [ ] API documentation updated
- [ ] Operational runbooks reviewed
- [ ] Incident response procedures reviewed
- [ ] Team training completed

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## Rollback Plan

- [ ] Rollback procedure documented
- [ ] Database rollback migration prepared
- [ ] Service rollback procedure documented
- [ ] Communication plan prepared

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## Sign-Off

- [ ] Development team sign-off
- [ ] Operations team sign-off
- [ ] Security team sign-off
- [ ] Compliance team sign-off
- [ ] Management approval

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**End of Checklist**
