AWS multi-region Serverless application variant.
Tags: serverless, multiregion, apigateway, lambda
Published: 2024-06-06 01:04:41

Multi-Region applications comes in very handy when you want to deal with users from different geographical locations, eliminating latency issue depending on distance from the place where your users accesses your application and also helps in maintaining High-Availability and DR (Disaster Recovery) situations without disrupting your users in case of a regions downtime from your cloud service provider.


![Image description](https://dev-to-uploads.s3.amazonaws.com/uploads/articles/400ogq902m39wmn4r8om.png)

**Below is a brief summary of the services used for the below variant.**

- **Rote53**:
 Amazon Route 53 is a scalable and highly available domain name system (DNS) web service designed to route end-user requests to internet applications by translating domain names into IP addresses. It also provides domain registration, DNS health checks, and integrates seamlessly with other AWS services.


- **API Gateway**: AWS API Gateway is a fully managed service that enables developers to create, publish, secure, and monitor RESTful and WebSockets APIs at scale. It seamlessly integrates with AWS services like Lambda, provides robust security features, and scales automatically to handle varying traffic loads.


- **Lambda**: AWS Lambda is a Serverless compute service that allows you to run code without provisioning or managing servers. You can execute code in response to events such as changes in data, shifts in system state, or user actions, and it automatically manages the compute resources required.


- **DynamoDB**: Amazon DynamoDB is a fully managed NoSQL database service that provides fast and predictable performance with seamless scalability. It is designed to handle large amounts of structured data and enables developers to offload the administrative burdens of operating and scaling distributed databases.


- **Amazon Macie**: Amazon Macie is a fully managed data security and data privacy service that uses machine learning and pattern matching to discover, monitor, and protect sensitive data stored in Amazon S3. It helps you identify and safeguard your personally identifiable information (PII) and intellectual property, providing visibility into how this data is accessed and moved across your organization.


**Systems Manager Secret Manager**: AWS Systems Manager Secrets Manager is a service designed to help you protect access to your applications, services, and IT resources without the upfront cost and complexity of managing your own hardware security module (HSM) or physical infrastructure. It allows you to securely store, manage, and retrieve credentials, API keys, and other secrets through a centralized and secure service, providing fine-grained access control and auditing capabilities.


- **CloudWatch**: Amazon CloudWatch is a monitoring and management service designed for developers, system operators, site reliability engineers (SREs), and IT managers. It provides data and actionable insights to monitor applications, understand and respond to system-wide performance changes, optimize resource utilization, and get a unified view of operational health.


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