DevOps Capstone Project

Before starting this module, ensure that you have a basic understanding of Agile planning and Scrum, a GitHub account, and a Zenhub account. This module focuses on developing an Agile plan to create a RESTful microservice. You will complete this project throughout several sprints using a variety of Agile, cloud-native, and CI/CD tools and technologies. You will begin by creating a GitHub repository for the project and adding this repository to a Zenhub kanban board. Next, you will build a user story template in GitHub that you will later use to write well-structured user stories. Then you will build your product backlog in Zenhub. After finishing your product backlog, you will build your sprint plan.

In this module, you will complete Sprint 1 by configuring the capstone project environment and developing the Customer Account microservice using test driven development (TDD). Start development of the microservice on a new branch on your GitHub repo. You will create tests for the RESTful Flask service and write test cases for the read, update, delete, and list functions. to pass these tests. As you develop, you will run nosetests to ensure at least 95% coverage. As your work progresses, you will move the user stories through your kanban board.

Before starting this module, ensure that you have completed all the steps described in the Hands-on Lab: Develop Your RESTful Service Using Test Driven Development. In addition, you should have a GitHub account and a GitHub repository, a basic understanding of YAML, familiarity with the syntax for GitHub Actions, and a basic knowledge of Python, Pip, and nosetests.

In Lesson 1, you will add a continuous integration workflow using GitHub Actions, which will help you automate the building and testing of your code. You will start by building a plan for Sprint 2 in the guided instructional lab, Sprint 2 Planning. Next, in the Add Continuous Integration hands-on lab, you will configure a GitHub Actions workflow that will be triggered when an event occurs in your repository. As part of Sprint 2, you will create a workflow that will build and test every push or pull request to your repository. You will be moving the corresponding user stories through your kanban board as your work progresses. Before starting Lesson 2, ensure that you have completed all the steps described in the Hands-on Lab: Add Continuous Integration. In addition, you should have a basic understanding of security headers, cross-origin resource sharing (CORS) policies, Flask-Talisman, and Flask-Cors. You should also have a good understanding of test driven development (TDD) techniques, GitHub Actions, and GitHub operations (branching, merging, committing code, pushing code updates, and creating pull requests). In Lesson 2, you will add secure code practices for the microservice you built by adding Flask-Talisman for security headers and Flask-Cors to establish CORS policies. To begin, you will assign the relevant story created for this task to yourself and start working on a new branch created for this specific task. To align with TDD practices, you will first write the test case for the security feature you are trying to implement. Once you have added Flask-Talisman for security headers and Flask-Cors to establish CORS policies, commit and push your changes to the repository and make a pull request that will kick off the GitHub Action. You will move the corresponding user stories through your kanban board as your work progresses.

Before starting this module, ensure that you have completed all the steps described in the Hands-on Lab: Add Security to Your RESTful Service. In addition, you should have a basic understanding of Docker and containerization, Docker commands, Kubernetes and OpenShift, YAML, kubectl, and oc commands. You should have a GitHub account and a GitHub repository, and you should be familiar with the syntax for GitHub Actions.

As part of Sprint 3, you will create a Docker image of your microservice and deploy the same to Kubernetes/OpenShift cluster manually. You will first find the “Containerize your microservice using Docker” story in the kanban board, move it to "In Progress," and assign it to yourself. Next, you will create the Docker file and then use it to build a Docker image called accounts. You will deploy this image to Kubernetes/OpenShift as part of the next user story, “Deploy your Docker image to Kubernetes.” You will create new branches for both stories and begin working on them. Once the tasks are completed, you will commit and push your changes from your local environment to your GitHub repository. Finally, you will create pull requests and merge your code to the main or master branch. You will move the corresponding user stories through your kanban board as your work progresses. When you complete a story, you will move it to "Done" and from there to "Closed."