Automatic/Continuous deployment via CircleCI, AWS Redshift, EC2

I need someone with experience in setting up Continuous deployments via CircleCI to help set up an Automatic/Continuous deployment process as such: Pull request to be checked against master Test instance of Redshift to be spun up Code to be executed on this test instance Tests set up and executed Code marked as test completed Upon merge into master the code to be automatically deployed into EC2 instance