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Building multi-region infrastructure with AWS

  • The article discusses building a multi-region web application using AWS to reduce latency and increase reliability by distributing resources closer to users.
  • It starts with hosting the frontend on AWS S3, creating separate buckets for different regions like us-east-1 and eu-central-1.
  • The frontend is served using CloudFront, AWS's CDN service, which caches content and improves load times for users.
  • Route 53 is used for DNS configuration and geolocation routing to direct users to the correct CloudFront distribution based on their location.
  • For the backend, AWS Lambda with API Gateway is employed, allowing serverless execution of code in response to API calls.
  • Lambda functions are region-specific and need to be duplicated to support a multi-region architecture.
  • API Gateway is used to create REST APIs with region-specific URLs and API Keys for security and control of usage.
  • The article suggests using Cloud Development Kit (CDK) to automate infrastructure deployment and management, making processes more efficient.
  • By combining S3, CloudFront, Route 53, Lambda, and API Gateway, businesses can serve content closer to users, improve performance, and ensure high availability.
  • Multi-region setups are crucial for global businesses, and automation with CDK can help scale and maintain complex infrastructures effectively.

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