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EURUS CASE STUDY

AWS Environment, Database Migration & Access Restructuring

Client Overview

The client is a fitness technology company building an AI-powered platform that analyzes user health data, provides personalized recommendations, and delivers subscription-based digital coaching. Their platform processes large volumes of real-time data and requires a secure, scalable cloud environment to support continuous updates, rapid experimentation, and a growing user base.

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Problem Statement

They were running development, staging, and production environments inside a single AWS account. While this setup worked initially, it created several challenges as the team and the platform grew:

01
Access management issues
It was difficult to control who had access to which resources.
02
Higher risk of accidental changes
Multiple environments sharing the same account increased the chances that development or testing changes could affect production.
03
Organizational challenges
Resources were mixed together, making it hard to locate or manage services, databases, and configurations.
04
Scaling difficulties
As the team expanded, onboarding new members safely and granting appropriate permissions became increasingly complex.
They needed a safer, more structured AWS environment that would separate environments, improve access control, and remain fully operational during the migration.

Solution Approach

Eurus planned and executed a zero-downtime migration to reorganize their cloud infrastructure. The goal was to separate environments, improve security, and simplify management without affecting the ongoing operations of the platform.

Key solutions delivered

The migration process included the following steps:

Environment Separation

  • Created dedicated AWS accounts for Development, Staging, and Production.
  • Organized resources within each account to avoid confusion and reduce overlap.
  • Ensured each environment could operate independently while maintaining necessary connections.

Zero-Downtime Migration

  • Migrated all databases, services, and configurations to the new accounts without interrupting users.
  • Carefully coordinated the migration to ensure live applications remained fully functional throughout the process.

VPC & Network Setup

  • Configured secure networking between environments to allow controlled communication.
  • Ensured that only necessary connections were permitted, reducing security risks.

Access Control (IAM)

  • Implemented role-based access control for team members.
  • Each team member received only the permissions required for their responsibilities.
  • Reduced the risk of accidental changes to production and simplified ongoing management.

Documentation & Cleanup

  • Documented the new architecture, access policies, and workflow for internal teams.
  • Removed outdated configurations, unused policies, and unnecessary resources to simplify maintenance.

Deliverables

Separate AWS accounts for Dev, Stage, and Prod

Zero-downtime migration of databases and services

Secure network setup between environments

Role-based access control and permissions management

Documentation and cleanup of obsolete resources

Achievements & Impact

  • Clear separation of environments
  • Reduced risk of accidental production changes
  • Simplified access management for the team
  • Migration completed without disrupting users

Client Testimonial

“They're highly responsive and a pleasure to work with. Eurus Technologies has delivered a functional app and platform despite high complexity. Their team is highly responsive, we communicated directly with the engineers.”

Conclusion

They now have an organized, secure AWS setup that supports team growth while minimizing risks, enabling smoother management of development and production workflows