Exercises

In this chapter, we have covered a lot of new aspects for the Continuous Delivery pipeline; to better understand the concept, we recommend you perform the following exercises:

1. Add a performance test, which tests the "hello world" service:
   • The "hello world" service can be taken from the previous chapter
   • Create a performance_test.sh  script, which makes 100 calls in parallel and checks whether the average request-response time is below 1 second
   • You can use Cucumber or the curl command for the script
2. Create a Jenkins pipeline that builds the "hello world" web service as a versioned Docker image and performs performance test:
   • Create the Docker build stage, which builds the Docker image with the "hello world" service and adds a timestamp as a version tag
   • Create an Ansible playbook that uses the Docker image
   • Add the Deploy to staging stage, which deploys the image into the remote machine
   • Add the Performance testing stage, which executes performance_test.sh
   • Run the pipeline and observe the results...