Your-Delivery

Table of Contents

• General info
• Features
• Built With
• Sample Commands
• Status

General info

Fan-Out Serverless Architectures Using SNS, SQS and EC2 Instances built using Cloudformation resources. Applications running on EC2 instances are designed to consume messages from different queues depending on the message type.

Features

• Producing messages on SNS topic
• Consuming messages from SQS queues
• Separating messages by type from an SNS topic to SQS queues
• Automatic configuration of Docker and Docker Compose on EC2 instances
• Running Docker images on an EC2 instances
• Automatic installation of the CloudWatch agent
• Fetching configuration of CloudWatch agent from the Parameter Store
• Saving aplication logs to a file
• Reading logs from a file by CloudWatch agent

Built With

Build with:

• Java 17
• Spring - 3.1.0
• Gradle
• Docker
• Cloudformation

Cloudformation resources:

• SNS Topic
• SQS Queue
• SNS Subscription
• SQS Queue Policy
• VPC
• Internet Gateway
• VPC Gateway Attachment
• Route Table
• Route
• Subnet Route Table Association
• Subnet
• Security Group
• Instance Profile
• IAM Role
• EC2 Instance

Sample Commands

Send message to Producer service: curl -X POST -H "Content-Type: application/json" -d '{"type": "NOTIFICATION"}' http://localhost:8090/api/v1/messages curl -X POST -H "Content-Type: application/json" -d '{"type": "INVENTORY"}' http://localhost:8090/api/v1/messages curl -X POST -H "Content-Type: application/json" -d '{"type": "SHIPMENT"}' http://localhost:8090/api/v1/messages

Read messages from SQS queue using Consumer service: curl -X GET http://localhost:8095/api/v1/messages

Enter EC2 instance: ssh ec2-user@<EC2_INSTANCE_PRIVATE_IP>

Status

Project is: finished