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Letting Data Speak!
Case Study
Cloud Migration and Infrastructure Modernization
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.
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
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
Infrastructure as Code: Terraform
Cloud Platform: Amazon Web Services (AWS)
Compute: Amazon EC2, Custom AMI
Database: Amazon Aurora MySQL, Amazon RDS
Networking: AWS VPC, Application Load Balancer
Security: AWS WAF, Security Groups
Storage: Amazon S3, Amazon EBS
State Management: Amazon DynamoDB
Operating System: Ubuntu Linux
Programming Language: PHP
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