Simple BODMAS Mathematical Expression Evaluator Service

• This is a simple SpringBoot repo which contains REST endpoints for following operations:
  • Given a mathematical expression, evaluate it and return the result.
  • Given a user_id, return the most frequent operator used by that user.
  • Given a user_id, return the counts of all the operators used by that user.
• It uses H2 as an in-memory database.
• awsInfra is used to provision infra on AWS to deploy this project and run it in AWS FARGATE.
• GitHub Actions is used for deploying it to AWS using Docker.

How to run and test it locally?

• Use bash run.sh command to boot up the application.
• Use bash test.sh to run curl commands against the various REST endpoints.
• Design and development is mentioned in the file design_and_dev.md
• There is also an html file calculate.html which can be used to test the API from a browser.

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