App-Specific Infrastructure as Code

Helm charts and Kubernetes manifests for the decomposed .NET + Angular application. This repo contains only app-specific resources — shared platform infrastructure (EKS cluster, networking, ingress, monitoring) lives in platform-engineering-shared-services.

Architecture

EKS Cluster (managed by platform-engineering-shared-services)
├── ingress-nginx (shared)
├── cert-manager (shared)
├── monitoring (shared)
│
└── app namespace: decomposition-app
    ├── api-gateway          ← this repo
    ├── identity-service     ← this repo
    ├── customer-service     ← this repo
    ├── order-service        ← this repo
    ├── product-service      ← this repo
    ├── notification-service ← this repo
    ├── shell-mfe            ← this repo
    ├── identity-mfe         ← this repo
    ├── customer-mfe         ← this repo
    ├── order-mfe            ← this repo
    ├── product-mfe          ← this repo
    ├── postgresql            ← this repo (per-service DBs)
    └── rabbitmq              ← this repo (message broker)

Helm Charts

Chart	Description
api-gateway	YARP-based API gateway — routes to backend microservices
identity-service	Auth and user management microservice
customer-service	Customer CRUD microservice
order-service	Order management microservice
product-service	Product catalog microservice
notification-service	Email/in-app notification microservice
shell-mfe	Angular shell host (Module Federation)
identity-mfe	Angular identity remote MFE
customer-mfe	Angular customer remote MFE
order-mfe	Angular order remote MFE
product-mfe	Angular product remote MFE

Environments

Environment	Namespace	Description
dev	decomposition-dev	Development — lower resource limits, debug logging
staging	decomposition-staging	Pre-production validation
prod	decomposition-prod	Production deployment

Usage

# Deploy to dev
helm upgrade --install api-gateway charts/api-gateway \
  -f environments/dev/values.yaml \
  -n decomposition-dev --create-namespace

# Deploy all services to dev
for chart in charts/*/; do
  name=$(basename "$chart")
  helm upgrade --install "$name" "$chart" \
    -f "environments/dev/values.yaml" \
    -n decomposition-dev --create-namespace
done

Prerequisites

• EKS cluster provisioned by platform-engineering-shared-services
• kubectl configured for the target cluster
• Helm 3.x installed
• Container images pushed to ECR (build from the microservices and microfrontends repos)

Related Repositories

Repo	Purpose
app_dotnet_angular_containerized_decomposition_monolith	Before-state monolith
app_dotnet_angular_containerized_decomposition_microservices	.NET microservices source
app_dotnet_angular_containerized_decomposition_microfrontends	Angular micro-frontends source
platform-engineering-shared-services	Shared EKS + platform infra