Which set of actions will MOST effectively speed up application deployment and testing?
Set up an all-at-once deployment in Elastic Beanstalk. Run tests in parallel with multiple CodeBuild actions.
Set up a rolling update in Elastic Beanstalk. Run tests in serial with a single CodeBuild action.
Set up an immutable update in Elastic Beanstalk. Run tests in serial with a single CodeBuild action.
Set up a traffic-splitting deployment in Elastic Beanstalk. Run tests in parallel with multiple CodeBuild actions.
Explanations:
Using an “all-at-once” deployment in Elastic Beanstalk speeds up the deployment by launching all instances at once. Running tests in parallel with multiple CodeBuild actions will allow tests to execute simultaneously, further speeding up the overall pipeline without removing any individual tests.
A “rolling update” deployment in Elastic Beanstalk introduces delays as instances are updated incrementally, which will slow down the deployment. Running tests in serial with a single CodeBuild action will also increase the total execution time.
An “immutable update” in Elastic Beanstalk creates new instances for deployment, but still causes delays compared to an “all-at-once” deployment. Running tests in serial with a single CodeBuild action adds further delays.
A “traffic-splitting” deployment can reduce risk but does not necessarily speed up deployment. While running tests in parallel with multiple CodeBuild actions can speed up testing, the traffic-splitting update doesn’t directly improve the deployment speed.
Based on what I know, the answer is:
Set up an all-at-once deployment in Elastic Beanstalk. Run tests in parallel with multiple CodeBuild actions.