Cloud Ready Hackathon (CLRHK)

Challenges

The challenges are connected – each of them builds on top of the previous one. The attendees will be given a repo containing the source code of the demo application consisting of several microservices developed using node.js. This application will be used throughout the Bootcamp, and each challenge will present a piece of the puzzle towards the story of continuous delivery into the Kubernetes environment. Challenges are briefly described below:

Challenge 1: Hello Linux

• A lap around Linux basics (most common bash commands, grep, vi/vim, writing scripts)

Challenge 2: To get or Git the code

• Introduction to Git concept of source control. Tasks include cloning repos, committing, pushing, branching, etc.

Challenge 3: Test, test, test… and then code

• Implement Unit tests for the existing code with Jest.
• Introducing Test-Driven Development. Implement new functionalities in a test-driven manner (first test, then code).
• Create a code-coverage report using SonarQube.

Challenge 4: Pack it and send it to the dock

• Introduction to containers with Docker.
• Creating Dockerfile, building images and pushing to Docker registry.

Challenge 5: Let the orchestration begin!

• Introduction to Kubernetes.
• Creating the first cluster using Google Kubernetes Engine. Deploying first container images to Kubernetes cluster.

Challenge 6: Let’s automate the packaging

• Introduction to CI/CD tools. Creating the continuous integration pipeline with unit testing, branch protection, code-quality gates, and creating and pushing container images.
• The attendee teams will be able to choose between Jenkins and GitHub Actions – whichever works for them

Challenge 7: Putting it all together

• Creating deployment pipeline for Continuous Delivery using Jenkins or GitHub Actions. Zero-downtime deployment using Helm.

Challenge 8: Coding the infrastructure

• Introduction to Terraform. Creating the infrastructure-as-code scripts for deploying the K8s and other services on GCP or Azure.

Challenge 9: What’s up with my application?

• Implementing monitoring solution leveraging Prometheus and Graphana. Deploying a “dirty” application and monitoring the status of the cluster.
• Implementing resource limitations for containers.
• Implementing alerting.

Challenge 10: Now, let’s mesh it up!

• Introduction of Istio as service mesh platform for Kubernetes. Implementing advanced microservices scenarios (advanced routing, retries with exponential backoff, circuit breaker, health checks, mutual TLS, …).
• Canary deployment