Livoa LogoLivoa
User Layer
User
React App


(S3/CloudFront)

API Gateway


(REST/WebSocket)

SSO
Application & Processing Layer
Security Services
IAM
KMS
BPMN
Secrets Mgr
Inspector
Observability
CloudWatch
X-Ray
CloudTrail
Alarms
Container Orchestration Platform
Job Workers
Workflow


Orchestrator

Data Service
Notification Svc
Backend Service
Workflow Orchestration Options
Option 1: Camunda 8 Platform


(Zeebe, Web Modeler, Identity)

Option 2: AWS Step Functions


(Lambda, SQS, SNS Integration)

Messaging & Events
SES
SNS
SQS
Serverless Functions
Lambda (Notification, Callbacks)
Storage Layer
S3 Bucket


(Document Storage)

ElastiCache


(Redis)

DocumentDB


(MongoDB)

RDS


(PostgreSQL)

OpenSearch


(Search)

Event Archive


(S3 + Kinesis Data Stream)

Audit & Versioning


• Workflow Logs

• Document History

• Event Tracking

Logical architecture diagram

by Rit

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