About the Customer
The Tuernjai Phanich Group Co., Ltd. is a key player in the Thai retail and wholesale sector, specializing primarily in general merchandise. The business was initially founded as a limited partnership named Tuernjai Phanich Group Limited Partnership and focused primarily on the sale of kitchenware. This early establishment provided the foundation and market experience necessary for its eventual expansion. Recognizing the need for increased capital and a broader operational scope, the company underwent a formal conversion and was officially registered as Tuernjai Phanich Group Co., Ltd. on March 21, 2013, with a registered capital of 50,000,000 Baht. This restructuring marked a significant pivot toward a comprehensive retail and wholesale model for general consumer goods.
Today, the company's head office is located in Surat Thani province (14/5 Moo 8, Wiang Sa Subdistrict, Wiang Sa District), serving as the operational hub for its extensive retail network. The group has grown beyond its initial localized focus, expanding its chain of retail and wholesale stores across Southern Thailand and other regions. This expansion reflects the company's strategic goal of embedding itself into local communities and becoming a resilient, widespread competitor in the general merchandise market. The recent digital transformation efforts, including the modernization of its POS system, underscore its commitment to operational stability and continuous growth.
Customer Challenge
The client, operating on a vulnerable other cloud provider infrastructure, faces a critical business challenge centered on disaster resilience and business continuity. A recent, severe flooding event exposed a catastrophic single point of failure, resulting in unacceptable, prolonged system downtime which led to significant financial losses, reputational damage, and a failure to meet critical Service Level Agreements (SLAs). The core objective is an urgent migration to the AWS Cloud to eliminate this geographical and environmental risk, achieve stringent Recovery Time Objective (RTO) and Recovery Point Objective (RPO) targets, and transform their IT platform into a highly available, agile foundation capable of supporting future growth and innovation.
Partner Solution
The implemented technical solution successfully transitioned the customer's vulnerable other cloud provider infrastructure—which supported their mission-critical Point-of-Sale (POS) system across approximately 200 retail locations—into a robust, cloud-native architecture on AWS. The core application logic was modernized by being decoupled into a distinct Frontend Service and a Backend Service, both running on AWS Fargate. Each service maintains a minimum deployment of two Fargate Tasks distributed across Multiple Availability Zones (AZs), which is crucial for preventing a catastrophic Single Point of Failure (SPOF) that could paralyze operations across all 200 stores. The Application Load Balancer (ALB) acts as the centralized entry point for all store traffic, intelligently routing requests to the healthy Frontend Tasks, while Amazon ECR provides the secure, managed container image repository necessary for rapid, consistent application deployment and quick recovery across AZs.
For the critical data layer supporting the 200-store operation, the transactional database was migrated to Amazon RDS configured for Multi-AZ deployment. This crucial decision provides synchronous data replication and automated failover to a standby instance in a different AZ, ensuring minimal data loss and guaranteeing the continuity of sales transactions across the entire retail network, thereby satisfying strict RPO requirements. This integrated solution, leveraging the operational simplicity and elasticity of Fargate and managed AWS services, not only resolves the catastrophic downtime issue experienced during the flood but also delivers a highly available, scalable, and modern foundation perfectly suited to manage the high concurrency and geographic distribution inherent in a 200-store POS environment.
Overview Architecture
Our Key Success
After successfully modernizing the platform on AWS, the organization achieved a 61% reduction in total infrastructure costs over five years compared to the on-premise environment. System availability was significantly enhanced, improving from 99.5% to 99.99% through a Multi-AZ deployment within a single AWS region.
To further strengthen resilience and business continuity, an active-passive multi-region architecture was implemented, reducing RTO and RPO to near zero-downtime levels. Application performance also improved, delivering up to 30% faster response times compared to the previous on-premise setup.
In addition, by offloading infrastructure operations to AWS, the IT team increased productivity by approximately 20%, allowing them to focus more on application development and close collaboration with the business to drive innovation and growth
Hearing From Our Customer
“After modernizing our POS platform on AWS with Com7’s expertise, we finally have the stability and confidence to support more than 200 store locations, including many branches in southern Thailand where connectivity can be challenging. With AWS handling the heavy lifting, our system now runs smoothly during peak hours, scales automatically when demand increases, and stays highly available across multiple Availability Zones and regions. This has given our stores a more consistent, reliable experience and peace of mind that operations can continue without interruption.”
Mr. Kiadtisak Yeesin , IT Manager of Tuernjai Phanich Group Co., Ltd
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