Application Modernized with Scalable, Cloud-Native Architecture on AWS
A mission-critical financial security application for a large enterprise was modernized and transitioned from legacy infrastructure to a fully managed, cloud-native environment on AWS. By leveraging AWS’s extensive cloud ecosystem, the application now benefits from scalable performance, secure operations, and streamlined DevOps workflows.
All core services were migrated under a DevOps framework to AWS, including EC2 instances provisioned via AMIs and deployed using Jenkins automation. The database layer was upgraded to Amazon Aurora for improved reliability and performance, while the application runtime now utilizes Amazon Corretto JDK for secure Java support.
The modernization also involved decomposing monolithic components into microservices, enhancing maintainability and deployment speed. Blue/Green deployment strategies using AWS CodeDeploy ensure zero-downtime updates and rapid rollback when needed.
This modernization has resulted in a more agile, scalable, and secure application architecture, positioning the enterprise for faster innovation and lower operational overhead.
Technology Used
DevOps-Driven Service Migration
All services were transitioned under a DevOps framework, enabling efficient management and automation across environments.
AMI-Based EC2 Deployment with Jenkins
Application instances are initiated using AMIs and deployed seamlessly through Jenkins jobs, ensuring consistency and automation.
Aurora Database Adoption
Migrated to Amazon Aurora for high performance, scalability, and reliability in database operations.
Microservices Architecture on AWS
Shifted from monolith to AWS-based microservices, promoting modularity and faster updates.
Blue/Green Deployments with CodeDeploy
Utilized Blue/Green deployment strategy to minimize downtime and ensure smooth rollouts via AWS CodeDeploy.
Robust AWS Ecosystem Utilization
- EC2 for scalable application hosting
- S3 Buckets for log and file storage
- RDS for managed database services
- Lambda functions for serverless event handling
- API Gateway for internal and external API traffic
- Route 53 for domain routing across Dev, QA, and Stage
- CloudWatch for application monitoring
- Auto Scaling to maintain performance under variable loads
- Certificate Manager for secure communication
- CloudTrail for security and compliance monitoring
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