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Michael Irwin
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| Lab: The Containerized SDLC | Lab: The Containerized SDLC | Build a Node.js API and containerize every stage of the software development lifecycle — local development, integration testing, CI/CD, and Kubernetes deployment. | Hands-on lab: Take a Node.js app from source to live Kubernetes deployment using Docker Compose, Testcontainers, Gitea Actions CI/CD, and kubectl — with containers at every stage of the SDLC. | Docker, Compose, Testcontainers, Kubernetes, CI/CD, SDLC, lab, labspace |
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Build a real Node.js API, then apply containers at every stage of the software development lifecycle. You'll write a Compose file for local development, integration tests using Testcontainers, a CI/CD pipeline, and Kubernetes manifests — using the same container image throughout.
Launch the lab
{{< labspace-launch image="dockersamples/labspace-containerized-sdlc" browserUrl="http://dockerlabs.xyz" >}}
What you'll learn
By the end of this Labspace, you will have completed the following:
- Set up a containerized local development environment with Docker Compose and Compose Watch
- Write integration tests that spin up a real database using Testcontainers
- Build a CI/CD pipeline that tests, builds, and pushes a container image automatically
- Write Kubernetes manifests and deploy a live application to a k3s cluster
- Configure the pipeline to cause an automatic deployment on every push to
main
Modules
| # | Module | Description |
|---|---|---|
| 1 | Introduction: Meet the App | Tour the TaskFlow API and understand the SDLC journey ahead |
| 2 | Local Dev with Docker Compose | Write a compose.yaml to provision a local database and visualizer |
| 3 | Containerizing Your Dev Environment | Add the app to Compose with hot-reloading via Compose Watch |
| 4 | Integration Testing with Testcontainers | Write self-contained tests that start a real PostgreSQL container |
| 5 | Continuous Integration with Gitea Actions | Build a pipeline that tests, builds, and pushes a container image |
| 6 | Deploying to Kubernetes | Write manifests and deploy to a live k3s cluster with automated rollouts |
| 7 | The Containerized SDLC: A Recap | Review the portability, consistency, and reproducibility gains |