cost_estimate.md

Cost Estimate

As per https://calculator.aws/#/

Assumptions:

• A single t3.medium instance type.
• Region is af-south-1.
• The instance will run for 9 hours from Mon-Fri (195.54 instance hours per month).
• EBS Storage is configured as 40 GB.

As the t3.medium has 2 vCPU, this would provide 2 concurrent runners by default.

EC2 monthly cost

• On-Demand hourly cost for t3.medium: 0.0542 USD
• Historical average discount for t3.medium: 70%
• 195.54 On-Demand instances hours x 0.0542 USD: 10.6 USD
• Less 70% Spot discount: 10.6 USD - (10.6 USD x 0.7) : 3.18 USD

EC2 monthly subtotal = 3.18 USD

EBS monthly cost

• No snapshots.
• Cost per GB: 0.1309 USD
• 195.54 total EC2 hours / 730 hours in a month : 0.27 instance months
• 40 GB x 0.27 instance months at 0.1309 USD : 0.35 USD

EBS monthly subotal = 1.41 USD

Total monthly cost

• EC2 monthly subtotal + EBS monthly subtotal
• 3.18 USD + 1.41 USD : 4.59 USD

Total monthly cost:

4.59 USD 💸🚫