AWS and DevOps practice

Lab catalog

Pick a realistic AWS or DevOps failure, deploy the assets locally, and validate the fix when your investigation is complete.

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All labs Beginner Intermediate API Gateway CloudWatch DynamoDB EC2 GitHub Actions Lambda

Terraform IAM PassRole Debugging

Terraform can create a Lambda function, but the apply fails because of a missing or unsafe IAM permission.

published

Intermediate IAM Lambda Terraform GitHub Actions

45-75 minutesUsually under $1 if destroyed after completion

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The Inventory API That Lost Its Stock

A release broke stock reservations while the database still contains inventory. Follow the request through an authenticated API, fix two hidden dependencies, and prevent overselling.

published

Intermediate API Gateway Lambda DynamoDB IAM CloudWatch Terraform

60–90 minutesBudget $1 for a short session; AWS charges vary. Destroy resources afterwards.

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The Orders That Never Shipped

Customers paid, but warehouse receipts stopped arriving. Trace a serverless order pipeline, restore delivery, and keep one bad order from delaying the rest.

published

Intermediate SQS Lambda S3 IAM CloudWatch Terraform

60–90 minutesBudget $1 for a short session; AWS charges vary. Destroy resources afterwards.

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