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Feature/documentation updates#250

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kelly-musk merged 6 commits into
kellymusk:masterfrom
Zarmaijemimah:feature/documentation-updates
Mar 28, 2026
Merged

Feature/documentation updates#250
kelly-musk merged 6 commits into
kellymusk:masterfrom
Zarmaijemimah:feature/documentation-updates

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@Zarmaijemimah
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@Zarmaijemimah Zarmaijemimah commented Mar 27, 2026

Closes #185


Feature/documentation updates

Implements comprehensive service authentication for internal API calls.

Core Features:
- OAuth 2.0 Client Credentials flow for service tokens
- Service identity registration and management
- Token manager with proactive rotation (15-min TTL)
- HTTP client with automatic token injection
- Service call allowlist with wildcard support
- Token verification middleware
- mTLS certificate management
- Admin API for service and allowlist management

Security:
- Short-lived JWT tokens (never persisted)
- Service impersonation prevention
- Allowlist-based authorization
- Comprehensive audit logging
- Zero-downtime secret rotation

Observability:
- 5 Prometheus metric families
- 12 alerting rules
- Structured audit logging
- Request ID correlation

Components Added:
- src/service_auth/ (11 files, 2500+ lines)
- migrations/20260326000001_service_identity.sql
- tests/service_auth_test.rs
- src/api/service_admin.rs

Documentation:
- MICROSERVICE_AUTH_IMPLEMENTATION.md
- MICROSERVICE_AUTH_QUICK_START.md
- docs/SERVICE_AUTH_ARCHITECTURE.md
- docs/SERVICE_AUTH_ALERTS.yaml
- DEPLOYMENT_CHECKLIST.md
- TEST_VERIFICATION.md

All 19 acceptance criteria met.
Production-ready with comprehensive tests and documentation.

Issue: Build Microservice-to-Microservice Authentication
Labels: Critical | Domain 6 - Consumer Identity & Access
@Zarmaijemimah
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close #185

@drips-wave
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drips-wave Bot commented Mar 27, 2026

@Zarmaijemimah Great news! 🎉 Based on an automated assessment of this PR, the linked Wave issue(s) no longer count against your application limits.

You can now already apply to more issues while waiting for a review of this PR. Keep up the great work! 🚀

Learn more about application limits

@kelly-musk kelly-musk merged commit 39b1fa6 into kellymusk:master Mar 28, 2026
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API Consumer Usage Analytics & Reporting

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