rentall-app/infrastructure/README.md

Rentall Infrastructure

AWS CDK infrastructure for Rentall Lambda functions.

Prerequisites

• Node.js 20+
• AWS CLI configured with appropriate credentials
• AWS CDK CLI (npm install -g aws-cdk)

Setup

cd infrastructure/cdk
npm install

Deploy

Staging

npm run deploy:staging

Production

npm run deploy:prod

Environment Variables

The following environment variables should be set before deployment:

• DATABASE_URL - PostgreSQL connection string
• CDK_DEFAULT_ACCOUNT - AWS account ID
• CDK_DEFAULT_REGION - AWS region (defaults to us-east-1)

Stacks

ConditionCheckLambdaStack

Creates:

• Lambda function for condition check reminders
• EventBridge Scheduler group for per-rental schedules
• IAM roles for Lambda execution and Scheduler invocation
• Dead letter queue for failed invocations

Outputs

After deployment, the following values are exported:

• ConditionCheckLambdaArn-{env} - Lambda function ARN
• ConditionCheckScheduleGroup-{env} - Schedule group name
• ConditionCheckSchedulerRoleArn-{env} - Scheduler IAM role ARN
• ConditionCheckDLQUrl-{env} - Dead letter queue URL

Useful Commands

• npm run synth - Synthesize CloudFormation template
• npm run diff - Compare deployed stack with current state
• npm run destroy - Destroy all stacks