Lesson 4: Helix Practices, Security, Deployment, Performance, and Troubleshooting
Lesson Overview
Prepare Sitecore V9 solutions for controlled deployment and support through modular architecture, security, monitoring, and evidence-driven troubleshooting.
Topics Covered
Helix principles, feature separation, dependencies, and solution organization
Packages, serialization concepts, configuration transforms, and environment promotion
User, role, item, service, certificate, and secret-management considerations
Caching, indexing, database, session, and application-performance factors
Logs, health checks, diagnostics, and common failure patterns
Backup, recovery, rollback, and production-support handover
Practical Activity
Review a Sitecore solution for dependency and configuration risks.
Create a deployment and rollback checklist.
Troubleshoot a publishing, index, or personalization issue from diagnostic evidence.
Key Takeaways
Organize Sitecore solutions for maintainability.
Deploy changes through controlled and reversible processes.
Use logs, indexes, caches, and service checks to isolate platform issues.
