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Stat Service

This is a demo project that was used in the June 2022 Serverless Microservice Meetup. It is a sample microservice that uses Lambdas and Step Functions to create a team feed or final output. This project is dependent on the player-service, which needs to be deployed first. It uses cloudformation variables to discover the player-service endpoints.

Screen Shot 2022-06-10 at 11 53 47 AM

Stat Service when combined with Player Service, or both microservices working together.

Screen Shot 2022-06-10 at 11 54 27 AM

Prerequisites:

  • AWS SDK installed locally.
  • You must be logged into the AWS account with valid credentials stored in ~/.aws/credentials
  • An S3 deployment bucket entitled meetup-demo-${aws:accountId}-${self:provider.region} in the target region. This needs to be created manually.
  • Testing requires docker
  • Player Services needs to be deployed

INSTALL

npm install

TESTING

npm test

DEPLOYING

npx sls deploy -s STAGE -r REGION --verbose --aws-profile PROFILE

STAGE=stage name REGION=AWS region PROFILE=AWS profile

More info: https://www.serverless.com/framework/docs/providers/aws/cli-reference/deploy

sls deploy will ...

  • create lambdas
  • create cloudwatch log groups
  • create a step function
  • create alarms for lambdas (in prod only)
  • create all relevant roles and permissions