CI/CD Automation on NexoraHost – GitHub Actions, GitLab CI, Jenkins

Quick answer: CI/CD deploys tested builds to your VPS automatically – GitHub Actions/GitLab CI + SSH or Coolify.

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Frequently asked questions (FAQ)

GitHub Actions vs. GitLab CI vs. Jenkins – which should I use?

GitHub Actions: free, simple, cloud-hosted. GitLab CI: self-hosted possible, similar to GitHub. Jenkins: on-premise, complex, maximum control. Recommendation: GitHub Actions for beginners, Jenkins for enterprise with many workloads.

How do I set up GitHub Actions for auto-deploy?

1. Create .github/workflows/deploy.yml, 2. on push: run tests (npm test), 3. build (npm build), 4. deploy via SSH to NexoraHost, 5. run server commands (restart). 30 lines YAML, no infrastructure needed.

Can I deploy Docker containers with CI/CD?

Yes! Workflow: 1. code push, 2. build Docker image, 3. push to Docker registry (hub or private), 4. SSH to NexoraHost, 5. docker pull + docker-compose up. Automated, clean deployments.

How do I rollback if deployment fails?

Strategy 1: blue-green deployment (old + new version parallel), quick switch. Strategy 2: keep old container running, restart old on error. In GitHub Actions: `if: failure()` trigger rollback script. Practice: test daily.

Self-hosted GitHub Actions runner on NexoraHost?

Yes, for private CI/CD! Install runner on Ubuntu, run as service. Then workflows run on own server instead of GitHub cloud. Advantage: private code stays private, faster, unlimited minutes.

Automate testing – how do I build this in?

CI pipeline: 1. unit tests (Jest, Pytest), 2. integration tests, 3. E2E tests (Cypress, Selenium), 4. code quality (SonarQube, ESLint), 5. security scan (SAST). All in workflow. Fail = no deployment. Success = auto-deploy.

How do I monitor CI/CD pipelines and errors?

Logging: GitHub Actions logs, External: Slack/Discord webhooks for notifications, ELK stack for logs, Prometheus for metrics. Alert on failure, timeout, error. Dashboard: track all deployments.

CI/CD best practices for fast deployments?

1. parallel testing, 2. cache dependencies (npm, docker layers), 3. staging env before production, 4. smoke tests after deploy, 5. canary deployments (1% traffic first), 6. automatic rollback on error.

Secrets in GitHub Actions – how do I protect API keys?

GitHub secrets: in repo settings, encrypted. In workflow: `${{ secrets.API_KEY }}`. Don't show secrets in logs. Alternative: SSH keys for server access instead of password. Best practice: rotate daily.

Deployment frequency – how often should I deploy?

Modern approach: multiple times daily (DevOps best practice). With good CI/CD: 10+ deployments/day possible. Secure: because tests check everything. Without CI/CD: 1x monthly (risky). NexoraHost offers perfect infrastructure for this.

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