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bakery-ia/MAILU_MIGRATION_SUMMARY.md
Urtzi Alfaro 9edcc8c231 Add new infra architecture 3
2026-01-19 13:57:50 +01:00

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Mailu Migration Summary

This document summarizes the migration from the old Kustomize-based Mailu setup to the new Helm-based setup.

Files Removed

  • infrastructure/platform/mail/mailu/ - Complete removal of old Kustomize-based Mailu configuration
  • infrastructure/security/certificates/mailu/ - Removal of old certificate generation scripts

Files Updated

Infrastructure Configuration

  • infrastructure/environments/dev/k8s-manifests/kustomization.yaml - Removed Mailu resource reference and patches
  • infrastructure/environments/prod/k8s-manifests/kustomization.yaml - Removed Mailu resource reference and patches
  • infrastructure/platform/networking/ingress/base/ingress.yaml - Removed Mailu-specific ingress rules and TLS entries
  • infrastructure/monitoring/signoz/README.md - Updated to reflect Helm-based Mailu deployment
  • infrastructure/environments/common/configs/secrets.yaml - Updated comments to reflect new service name

Service Integration

  • infrastructure/environments/common/configs/configmap.yaml - Updated SMTP_HOST to use new Helm service name
  • infrastructure/monitoring/signoz/signoz-values-prod.yaml - Updated SMTP configuration to use new service name

New Files Created

  • infrastructure/platform/mail/mailu-helm/ - New Helm-based Mailu configuration
    • values.yaml - Base configuration values
    • dev/values.yaml - Development-specific overrides
    • prod/values.yaml - Production-specific overrides
    • mailu-ingress.yaml - Sample ingress configuration for use with existing ingress
    • README.md - Comprehensive documentation
    • MIGRATION_GUIDE.md - Migration guide with rollback procedures

Key Changes

  1. Service Names: Changed from mailu-smtp to mailu-postfix (Helm chart service naming)
  2. Deployment Method: Switched from Kustomize manifests to Helm chart
  3. Ingress Configuration: Disabled built-in ingress to work with existing ingress controller
  4. Configuration: All configurations now use Helm values files instead of individual YAML manifests

Verification

The new configuration has been tested and verified to work with the existing ingress setup, maintaining all critical functionality while improving maintainability.