Learn GRAILS with Real Code Examples
Updated Nov 27, 2025
Performance Notes
Enable Hibernate second-level caching
Use query optimizations with GORM
Leverage Spring Boot profiling tools
Minimize dynamic method usage in hot paths
Scale horizontally using Grails embedded Tomcat or external servers
Security Notes
Use Spring Security plugin for authentication
Validate and sanitize input in controllers and services
Protect GSP templates against XSS/CSRF
Configure HTTPS and secure headers
Restrict sensitive configuration in `application.yml`
Monitoring Analytics
Grails logs for requests and errors
JVM performance profiling
Integration with monitoring services (NewRelic, Prometheus)
Error tracking via Sentry or Rollbar
Custom analytics via service layer events
Code Quality
Follow Groovy and Java coding standards
Use Spock and JUnit for testing
Leverage CI/CD and code coverage
Modular services and reusable templates
Maintain consistent naming and project structure