Understanding data transfer costs for AWS container services

This article provides a comprehensive guide to understanding data transfer costs for AWS container services, focusing on Amazon ECR, ECS, and EKS. Key insights include:

• Data transfer into ECR private and public registries is free
• Cross-region data transfers incur charges
• ECS and EKS data transfer costs depend on network configuration
• Charges vary based on deployment model (public/private clusters, internet/direct connect access)

Recommendations to minimize costs include:

• Limit cross-region transfers
• Use local image repositories
• Optimize container image sizes
• Choose efficient network paths
• Use IP-based load balancer targeting

The article emphasizes the importance of understanding network architecture and its impact on data transfer expenses.