DA-18 Meeting Brief — 2026-04-04¶
High Availability & Disaster Recovery¶
Completed¶
- ✅ RDS Multi-AZ enabled for
prod-nhc-django(MySQL) andprod-nhc-wpcms(MariaDB) - ✅ EC2 Auto-Recovery alarms on all 4 instances (django, app, foursites, runner)
- ✅ ElastiCache Redis — managed cluster with encryption at-rest + in-transit
- ✅ Cross-Region DR backup vault in us-west-2 with dedicated KMS key
- ✅ ASG module created and gated (
create_asg = false) - ✅ AWS Profile pinned in all providers/backends
- ✅ HIPAA tracker updated — 23/23 controls passing
Key Endpoints¶
| Resource | Endpoint |
|---|---|
| ElastiCache Redis | master.prod-nhc-django.q7ehro.use2.cache.amazonaws.com |
| Redis SSM Param | /staging/nhc/django/redis_url |
| DR Vault | nhc-dr-backup-vault (us-west-2) |
Remaining for Go-Live¶
- Switch Django docker-compose to use ElastiCache Redis URL
- Set
create_asg = trueto begin EC2→ASG migration - Verify AWS BAA is signed (AWS Artifact → Agreements)
- MWE prod data handover