to run application type 'docker-compose up' in root directory to run tests for task 1: run 'npm run test-multiply' to run tests for task 2&3: run 'npm run test-api'
to run application type 'docker-compose up' in root directory to run tests for task 1: run 'npm run test-multiply' to run tests for task 2&3: run 'npm run test-api'