This will deploy a single node ECS with t3a.micro, in us-east-2 (Ohio), this will give you ~USD $2 for 2vcpu/1Gib. ECS Tasks will use AWS Cloud Map for service discovery while Ha Proxy provides the load balancing.
git clone https://github.com/enghwa/OneNodeEcs.git
cd OneNodeEcs
npm install
export AWS_DEFAULT_REGION=us-east-2 # or any of your favourite region, but take note if the t3a.micro spot price
npx cdk@1.22.0 bootstrap
npx cdk@1.22.0 deploy
Once all the resources are deploy (monitor this using AWS Cloudformation dashboard), you can use your browser to test:
http://<public IP of EC2>/ --> nyant cat
http://<public IP of EC2>/nginx --> load balanced 2 nginx tasks
npx cdk@1.22.0 destroy