Running commands in ECS Containers with ECS Exec
Amazon ECS Exec lets you securely interact with your running ECS containers (get a shell or run single commands) using SSM Session Manager.
Notes on ECS
Optimizing ECS Fargate Network Costs with S3 VPC Endpoints
Use S3 Gateway VPC Endpoints to reduce network costs when pulling private ECR images in ECS Fargate tasks deployed in private subnets.