flask, redis ecs, terraform

Overview

This repo is for testing ECS networking configurations using:

• a simple flask app
• ECS cluster (EC2 or Fargate?)
• awsvpc networking mode
• CloudMap for service discovery
• redis server running as a service in our ECS cluster

Setup

• add a simple flask app
• add a simple dockerfile
• add a simple docker-compose file with flask app and redis (dev mode)
• add a simple docker-compose file with flask app and redis (prod mode with gunicorn)
• add a redis connection to flask app
• add basic view to test redis connection
• add a terraform config that can be used locally

AWS Setup

• Setup ECR repository for flask backend
• Build and push flask backend to ECR
• ACM certificate ARN stored in terraform.tfvars file locally
• Hosted Zone and Domain name purchased through AWS Route 53

Terraform Configuration Details

• VPC with only public subnets and no NAT gateway
• Launch Configuration with 1 EC2 instance
• ASG for ECS
• Service Discovery Resources