Sprint 04 review

Welcome back! In this Sprint 04 review, we’ll recap our objectives and confirm that each has been met, from configuring Cloud Build to publishing container images.

Sprint 04 Goals

Implementation Steps

1. Configure Google Cloud Build

We defined build steps in a cloudbuild.yaml file to install dependencies, run tests, and build the Docker image:

steps:
  - name: 'gcr.io/cloud-builders/docker'
    args: ['build', '-t', 'gcr.io/$PROJECT_ID/my-app:$COMMIT_SHA', '.']
  - name: 'gcr.io/cloud-builders/docker'
    args: ['push', 'gcr.io/$PROJECT_ID/my-app:$COMMIT_SHA']
images:
  - 'gcr.io/$PROJECT_ID/my-app:$COMMIT_SHA'

2. Link Cloud Build to GitHub

We created a trigger so that any push to the main branch starts a build:

gcloud beta builds triggers create github \
  --name="on-main-commit" \
  --repo-name="my-repo" \
  --repo-owner="my-org" \
  --branch-pattern="^main$" \
  --build-config="cloudbuild.yaml"

3. Automate Docker Image Builds

Our Dockerfile defines how the application is containerized:

FROM node:18-alpine
WORKDIR /usr/src/app
COPY package*.json ./
RUN npm install --production
COPY . .
CMD ["node", "server.js"]
EXPOSE 8080

This file ensures dependencies install and the app runs on port 8080.

4. Publish to Artifact Registry

After building, Cloud Build pushes to Google Cloud Artifact Registry:

gcloud artifacts repositories create my-repo \
  --repository-format=docker \
  --location=us-central1

# Already covered by cloudbuild.yaml, but manual push example:
docker tag my-app gcr.io/$PROJECT_ID/my-app:$COMMIT_SHA
docker push gcr.io/$PROJECT_ID/my-app:$COMMIT_SHA

Results and Next Steps

• All build steps in cloudbuild.yaml execute successfully.
• GitHub pushes to main automatically trigger Cloud Build.
• Docker images build without manual intervention.
• Images are stored in Artifact Registry and available for deployment.

With Sprint 04 complete, our CI/CD pipeline is fully automated on Google Cloud Platform.

Thank you, and see you in the next lesson!

References

• Google Cloud Build
• Artifact Registry
• Dockerfile reference
• GitHub integration