The page describes billable services and resources of a  installation and their associated cost.

Billable Services Inventory

Mandatory Services

The following billable AWS services are mandatory for a installation

• Amazon RDS for PostgreSQL https://aws.amazon.com/rds/postgresql/
• Amazon Elastic File System https://aws.amazon.com/efs/
• Amazon Route 53 https://aws.amazon.com/route53/
• Amazon Elastic Kubernetes Service https://aws.amazon.com/eks/
• AWS Key Management Service https://aws.amazon.com/kms/
• Elastic Load Balancing https://aws.amazon.com/elasticloadbalancing/

Optional Services

The following billable AWS services are optional for a  installation

• Amazon Memory DB for Redis https://aws.amazon.com/memorydb/
• Backup https://aws.amazon.com/backup

Billable Infrastructure

Mandatory Infrastructure

The following billable AWS infrastructure resources are mandatory for a  installation

• EC2 instances for EKS node group, minimum 3 nodes (see Cost Estimation table below for standard deployment options)

Optional Infrastructure

The following billable AWS infrastructure resources are optional for a  installation

• Additional EC2 nodes for log and monitoring tools (Elasticsearch, Kibana, Prometheus, Grafana), 2 nodes (see Cost Estimation table below for standard deployment options)

Infrastructure Cost Estimation

https://calculator.aws/#/estimate?id=3c65af428b0a1a69c08fc63a4d16cd91b50f9191

Cost Estimate for Typical Deployment Models

Price estimates done using AWS Calculator using rates at 2021-09-28 for region EU West.