By default, control-tower deploys to the AWS eu-west-1 (Ireland) region or the GCP europe-west1 (Belgium) region, and uses spot instances for large and xlarge Concourse VMs. The estimated monthly cost is as follows:
| Component | Size | Count | Price (USD) |
|---|---|---|---|
| BOSH director | t3.small | 1 | 16.70 |
| Web Server | t3.small | 1 | 16.70 |
| Worker | m4.xlarge (spot) | 1 | ~50.00 |
| RDS instance | db.t3.small | 1 | 28.47 |
| NAT Gateway* | - | 1 | 35.15 |
| gp2 storage | 20GB (bosh, web) | 2 | 4.40 |
| gp2 storage | 200GB (worker) | 1 | 22.00 |
| Total | 176.62 |
* NAT gateway also incurs $0.048 per GB processed by the gateway (both ingress and egress)
| Component | Size | Count | Price (USD) |
|---|---|---|---|
| BOSH director | n1-standard-1 | 1 | 26.73 |
| Web Server | n1-standard-1 | 1 | 26.73 |
| Worker | n1-standard-4 (preemptible) | 1 | 32.12 |
| DB instance | db-g1-small | 1 | 27.25 |
| NAT Gateway* | Cloud NAT | 1 | 35.04 |
| disk storage | 20GB (bosh, web) + 200GB (worker) | - | 40.80 |
| Total | 188.67 |
* Cloud NAT also incurs $0.048 per GB processed by the gateway (both ingress and egress)