3-Tier Web Server on AWS Elastic Beanstalk System

Taks from web console

• Create a SNS topic: “club”, and subscribe it with your email

Tasks of a frontend web server

• Provides a signup page for users to enter: “name”, “email”, “gender”
• Store users’ information in a dynamoDB table
• Generate a message in the following Jason format, and send it to a SQS queue: {“name”:”xxx”, “email”,”xxx@xxx.xxx”,” gender”:”[F/M]”}

Tasks of a backend worker

• Connect worker with the SQS queue, and let sqsd pull the message
• Parse the http request generated from sqsd, and retrieve the user info
• Call SNS API to publish the following message to the topic “club” “Let’s welcome our new member [Ms./Mr.] [Name]. His contact email is [email]. We now have the following members in the club: [list of member names].”

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Programming Language

Fronted Server : Go

Backend Server : Node.js