Decision from 12-expert alignment dialogue on single-user scale.
Implements Option E with modifications:
- t4g.small spot instance (~$5/mo)
- k3s with Traefik for ingress + Let's Encrypt TLS
- SQLite database for Forgejo
- S3 backups with 30-day lifecycle
- EBS gp3 20GB encrypted
- Admin SSH on port 2222, Git SSH on port 22
Total cost: ~$7.50/month
Includes:
- terraform/minimal/ - full terraform configuration
- terraform/bootstrap/ - state backend (already applied)
- docs/spikes/0001-single-user-scale.md - decision documentation
Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>