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Case Study
Data EngineeringCloud Migration and Infrastructure Modernization
Overview
Successfully developed solution to migrate on-premises web application to AWS cloud infrastructure, achieving improvement in deployment efficiency through Terraform-based infrastructure as code implementation. The solution established separate Development and Production environments with Aurora MySQL databases, Application Load Balancers, and Web Application Firewall protection for enhanced security and scalability.
About the Client
A risk management company that needed to migrate their on-premises web application to AWS cloud infrastructure while implementing infrastructure as code practices for scalable and reliable operations.
The Challenge
The client operated an on-premises web application that required migration to AWS cloud infrastructure. They needed to implement infrastructure as code deployment using Terraform while maintaining security and reliability across Development and Production environments. The organization required a complete cloud migration strategy that included custom AMI creation, network configuration, database migration to Aurora MySQL, and implementation of security measures including Web Application Firewall protection.
Key Results
- Successfully migrated on-premises web application to AWS cloud infrastructure reducing infrastructure management complexity
- Implemented infrastructure as code using Terraform.
- Established separate Development and Production environments improving development workflow efficiency
- Deployed Aurora MySQL RDS clusters enhancing database performance and reliability
Our Solution
The solution involved migrating the client's web application to AWS using infrastructure as code principles.
Infrastructure as Code Implementation:
- Developed Terraform scripts for all AWS components with modular design for independent resource provisioning
- Implemented centralized state management using S3 buckets with DynamoDB state locking
AWS Infrastructure Setup:
- Established two separate VPCs for Development and Production environments
- Created custom AMI with Ubuntu Linux and PHP pre-installed
- Deployed EC2 instances with 4 vCPUs and 16 GB RAM configuration
- Implemented Aurora MySQL RDS clusters for improved database performance and scalability
Network and Security Configuration:
- Configured VPC setup with public and private subnets for enhanced security
- Implemented security group configurations controlling network access
- Deployed Application Load Balancers for traffic distribution and high availability
- Established Web Application Firewall (WAF) rules for application protection
Deployment and Documentation:
- Created comprehensive architecture diagrams and deployment guides
- Developed infrastructure management documentation and DNS update instructions
Disaster Recovery and Backup:
- Implemented automated disaster recovery procedures for EBS volumes and RDS databases using AWS Backup service
Technologies Used
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