SeleniumLab

Course → 3 · Professional QA engineering → CI/CD, Quality Gates & Environments

3 · Professional QA engineering

Environments and progressive delivery

16 min · Module 22

Typical chain: local → CI → staging/preprod → production. Use feature flags, canaries, and blue/green to limit blast radius.

Lab releases simulate environment promotion: 1.0.0 stable → 1.1.0-rc risky → 1.1.1 hotfix.

Example / notes

# Promotion checklist
# 1) deploy RC to lab  2) execute P0 tickets  3) hotfix if needed  4) sign off

Practice in Lab: /lab/releases/

Log in to track progress / take quizzes

← Pipelines and quality gates

Modules in this track

15. QA Foundations — Strategy & Planning
- Writing a test strategy
- Test planning and estimation
16. Test Design Techniques
17. API & Contract Testing
- HTTP API testing fundamentals
- Contract and schema testing
18. Performance Testing Basics
- Performance concepts and SLOs
- Designing a minimal performance check
19. Security Testing Basics
- Auth, sessions, and authorization
- OWASP-minded checks for web apps
20. Accessibility Testing
- Accessible by design checks
- Automated a11y smoke
21. Mobile Testing
- Mobile web quality risks
- Native apps and device farms (overview)
22. CI/CD, Quality Gates & Environments
- Pipelines and quality gates
- Environments and progressive delivery
23. Test Data, Environments & Observability
- Test data management
- Observability for QA
24. Soft Skills — Stakeholders, Mentoring, Metrics
- Stakeholder communication
- Mentoring and quality metrics/OKRs
25. Career & Process — Agile, Compliance, Senior Bar