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Jon Chery 94065a4fbc feat(P27): add Examples section to every module README (D-058)

Each module README (10 primitives + 2 patterns) now has a ## Examples
section before ## Versioning, referencing and excerpting the validated
simple.yaml + complex.yaml (+ mysql.yaml for RDS) example contracts. The
RDS README includes a Multi-engine variation subsection (D-059).

---ci---
project: acdl
phase: 27
milestone: v1.7
status: execute
---/ci---

2026-07-22 20:23:48 +00:00

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ecs-cluster — ECS Fargate cluster

Module kind: primitive | Version: 1.0.0

An ECS Fargate cluster. The simplest ECS module — one resource, two inputs, two outputs. The cluster is the container orchestration boundary that ecs-service references for task placement.

Resources

Resource	Type	Purpose
cluster	`aws_ecs_cluster`	The ECS Fargate cluster

Inputs

Name	Type	Required	Default	Description
`name`	string	yes	—	The ECS cluster name
`region`	string	yes	—	AWS region the cluster is created in

Outputs

Name	Type	Description
`cluster_arn`	arn	The ECS cluster ARN
`cluster_id`	string	The ECS cluster id (name)

Usage

{
  "id": "cluster",
  "type": "aws:ecs:cluster",
  "module": "ecs-cluster@1.0.0",
  "inputs": {
    "name": "acdl-microservice",
    "region": "us-east-1"
  }
}

The cluster_arn output is referenced by ecs-service as its cluster_arn input.

Compliance extension points

Container Insights — add configuration { container_insights = "enabled" } for observability (SOC2 CC7.3, DORA ICT risk monitoring).
CloudWatch Logs — add a log group with retention policy for cluster-level audit logs (SOX, SOC2 CC7.2, HIPAA §164.312(b)).
Encryption — add settings { name = "containerInsights", value = "enabled" } and KMS-based encryption for container data (HIPAA §164.312(a)(2)(iv), GDPR Art.32).

Examples

Validated example contracts are in examples/. The platform-test pipeline validates them against schemas/contract.schema.json.

Simple

A minimal deployment:

examples/simple.yaml

uses: acdl/pipelines/deploy.yaml@v1.6
module: ecs-cluster
environment: dev
inputs:
  name: my-cluster
  region: us-east-1

Complex

A production deployment with optional inputs:

examples/complex.yaml

# Complex ECS cluster with container insights
uses: acdl/pipelines/deploy.yaml@v1.6
module: ecs-cluster
environment: dev
inputs:
  name: my-production-cluster
  region: us-east-1

Versioning

1.0.0 — interface MAJOR, behavior MINOR, lifecycle PATCH. MAJOR bumps require a new registry entry (immutable publication); old entries enter a 12-month deprecation window.

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