CI/CD Pipeline Setup

22 items · Technical · Hard difficulty · 2 hours

Step-by-step CI/CD pipeline setup for secure builds, tests, deploys, and rollbacks.

• Initialize repository and define branch strategy

  Create main/develop/feature branches and enforce branch protection rules.

• Add CI/CD pipeline configuration file

  Create pipeline YAML (e.g., .github/workflows/ci.yml) and validate syntax locally.

• Store secrets in a secure secrets store

  Use repo secrets or a vault; never commit credentials or plaintext keys.

• Add CI quality checks
• Add lint job to pipeline

  Run lint on PRs and fail fast to keep code consistent.

• Add unit test job to pipeline

  Run unit tests with coverage and parallelize where possible.

• Build and publish artifacts
• Add build job and cache dependencies

  Produce reproducible artifacts and enable caching for speed.

• Build Docker image and tag appropriately

  Tag images with commit SHA and semantic version where possible.

• Push Docker image to registry using stored creds

  Authenticate with least-privileged credentials and push immutable tags.

• Scan Docker image for vulnerabilities

  Use scanners like Trivy or Clair and fail builds on critical findings.

• Deploy and test in staging
• Deploy to staging environment

  Deploy using manifests, Helm, or Terraform; use a dedicated staging namespace.

• Run automated staging smoke tests

  Check critical endpoints, auth, and health endpoints in staging.

• Add manual approval gate for production deploy

  Require a human approval step or approval PR before production rollout.

• Deploy to production after approval

  Use rolling or canary deployments and respect maintenance windows.

• Run production smoke tests and health checks

  Run lightweight checks and verify metrics, logs, and traces.

• Configure notifications for pipeline events

  Send build failures and deploy results to Slack, email, or PagerDuty.

• Implement automatic rollback procedure

  Define triggers and steps to rollback to the previous stable release.

• Document runbook and emergency contacts

  Include commands, rollback steps, and on-call phone/emails.

• Monitor metrics and set alerts for deploys

  Track error rate, latency, and traffic; set alert thresholds.

• Review and iterate on the pipeline configuration

  Schedule periodic reviews to update tests, tooling, and permissions.

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