Backend Deployment – ECS Fargate
This section walks through deploying the LiveCap FastAPI backend as a containerized service on Amazon ECS Fargate. By the end, you will have a running backend that responds to health checks and is reachable from the Application Load Balancer.
What You Will Deploy
| Component | Technology | Where |
|---|---|---|
| Container image | Docker / FastAPI | Amazon ECR |
| Container runtime | ECS Fargate | Private subnet, no public IP |
| Load balancer | Application Load Balancer | Public subnets, two AZs |
| Service registry | ECS Service livecap-target-service-dev | Scale-to-zero: 0 ↔ 1, Lambda wake, idle scale-down after 300 s |
| Network | Custom VPC 10.20.0.0/16 | ap-southeast-1 |
The current live cluster is livecap-cluster-dev:
