Architectural Decision Records

This is a record of architectural decisions made by the Operations Engineering Team

To understand why we are recording decisions and how we are doing it, please see ADR-000

Status Legend

Status	ADR	Title
✅	ADR-000	Record Architecture Decisions
✅	ADR-001	Github Failover
⌛️	ADR-002	Sentry Spike Protection
✅	ADR-003	DNS Failover
⌛️	ADR-004	Docker SSO
✅	ADR-005	Github Standards Branch Protection
✅	ADR-006	Require Authentication for Team Reports
✅	ADR-007	Decomission Developer Portal
✅	ADR-008	Sentry Spike Protection
✅	ADR-009	1Password SSO
✅	ADR-010	1Password Manager Permissions
✅	ADR-011	GitHub Features as Opt In
✅	ADR-012	RSS Feed Aggregation Channel
❌	ADR-013	Archiving the DNS repo
✅	ADR-014	Risk Review
❌	ADR-015	Use of GitHub Actions Runner Controller
✅	ADR-016	Archive DNS-IAC
✅	ADR-017	Revert decision to mandate that repository access must be via a Team
✅	ADR-018	Standardisation of Repository Naming
✅	ADR-019	Management of Github Repositories through Terraform
✅	ADR-020	Bot Account Personal Access Token Standards
✅	ADR-021	Management of DNS Records through OctoDNS
✅	ADR-022	Decomission Maintenance Pages Platform
✅	ADR-023	Delegate Administration of Outside Collaborators
✅	ADR-024	Deprecate MoJ Sonarcloud
✅	ADR-025	Use Standard SSO Architecture

This page was last reviewed on 10 February 2026. It needs to be reviewed again on 10 August 2026 by the page owner #coat-notifications .