AWS Serverless Cost Calculator
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AWS Serverless Cost Calculator
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Use case: a web application
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Serverless architecture out-of-the-box: auto-scalable by design - up to date, distributed, async & secured systems - user & auth mgt - data & file storage - real-time updates - monitoring - workflow mgt
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Architecture source: https://medium.com/serverless-transformation/40f252cd0ecb
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Variables
Result
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Select below a pre-defined type of application for general cost estimation
eu-west-1
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TrafficHighCost / MonthPre-definedCustom
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TypeEcommerceTotal$1,693.2$443.9
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Cost / Session$0.001366$0.000358
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Or play around with custom fields for a refined estimation
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User Variables
Pre-defined
Custom
Detail per AWS service
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# of Sessions / Day
40,00040,000API G. REST$147.6$13.5
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# of Sessions / User / Month
5.002.13API G. WS$17.7$0.0
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% of Authenticated Users
30.00%0.20%Lambda$199.1$6.7
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# of Loaded Assets (Image, Video, Files) / Session
100.0060.00DynamoDB$54.8$6.1
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# of Uploaded Files / Session
0.100.10Cognito$134.2$0.0
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Average Size of Uploaded Files (MB)
0.000.10EventBridge$9.9$1.7
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# of Pages Visited / Session
30.002.40CloudFront$762.3$413.4
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# of Saved User Actions (ex: comment an article) / Session
4.000.70S3$0.7$0.7
Contact: Xavier Lefèvre
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# of Complex Workflows (ex: e-commerce funnel) / Session
1.000.00SQS$0.0$0.0
Twitter: @xavi_lefevre
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CloudWatch$57.2$1.8
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These are technical variables, trust us if you don't know much about serverless
Step Functions$309.9$0.0
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Architecture Variables
Pre-defined
Custom
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API Reads# of Lambdas Triggered / Pages Visited11
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# of DB Items Read / Pages Visited11
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API Writes# of Lambdas Triggered / Saved Actions31Legend
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# of DB Items Written / Saved Actions11
Pre-defined scenarios, when selecting dropdowns
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Workflows# of Lambda Steps / Workflow55
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# of DB Items Written / Workflow22
Custom scenario, when directly replacing variables
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# of DB Items Read / Workflow22
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Realtime
# of WebSocket Messages / Minute / Session
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Modifiable cells
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# of Minutes / Session100
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# of DB Items Read / Message11
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⚠️ High traffics have discounted prices not taken into account in this calculator
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⚠️ Data transfer between regions are not taken into account
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