Proposed solution: cloud architecture for e-commerce
This proposal presents an Azure-based architecture designed for a business e-commerce platform. The solution is built to support scalable growth, maintain high security standards, and ensure continuous availability for critical operations.
Main objectives
- Scalability: the infrastructure must grow with business demand
- Security: application of cloud-native practices and strong access policies
- Availability: maintain operational continuity for critical services
- Observability: simplify monitoring, traceability, and incident resolution
Proposed architecture
The solution was structured into three main layers, allowing clear separation of responsibilities and improved maintainability:
Security & Identity -> Core Application -> Data & Analytics
Repository 1: security and identity
This repository focuses on the security layer and identity management. Its main responsibility is to protect infrastructure and control resource access through authentication, authorization, and compliance policies.
It includes:
- Security policies and conditional access
- Authentication for users and clients
- Azure Key Vault for secrets and certificates
- Network Security Groups and firewall rules
- Custom domain and SSL configuration
Repository 2: core application
This repository contains the business logic and service components of the digital platform. It includes the main elements required to deliver the purchasing experience, internal administration, and operational services.
Key elements include:
- Front-office portal
- Back-office portal
- REST API
- Azure Service Bus and Queue Storage
- Azure Functions
- Notification service
- Application Insights for monitoring and observability

Repository 3: data and analytics
This repository groups the storage and data analytics ecosystem. It is responsible for transaction management, file storage, and preparation of data for reporting and advanced analytics.
It includes:
- Azure Blob Storage for multimedia content
- Transactional and cache databases
- ETL pipelines
- Synapse Analytics
- Power BI for business reporting
- Data Factory
- Backup and recovery policies

Architecture justification
Single responsibility principle
Each repository has a specific and well-defined function. This separation improves organization, maintainability, and reduces the risk of cross-impact changes.
Security and identity
It focuses exclusively on protection and access management because these changes usually require more rigorous review and stronger controls due to regulatory and audit requirements.
Core application
It combines business logic and functional services because these components naturally share deployments, dependencies, and integration testing.
Data and analytics
It keeps the storage and processing ecosystem under a single technical vision, since these elements share retention, security, and access policies.
Low coupling and high cohesion
The design aims to minimize dependencies between repositories while increasing internal cohesion within each layer. This allows each domain to evolve without compromising overall system stability.
- Security and identity: high cohesion due to the direct relationship between policies, certificates, and access
- Core application: justified functional coupling between frontend, backend, and integration services
- Data and analytics: cohesion in storage, ETL, and reporting management
Deployment evidence

Terminal evidence
