Learn GRAILS with Real Code Examples

Create a blog with CRUD and GSP templates

Build an e-commerce catalog with GORM

Develop a REST API for mobile applications

Implement authentication and role-based access

Integrate third-party Java libraries for payment or messaging

Check Grails console output for errors

Verify database configuration in `application.yml`

Clear GORM cache and rebuild

Check routes and URL mappings

Use IDE debugger for Groovy code

Use Spock for unit and integration tests

Test controllers, services, and domain classes separately

Mock external dependencies for isolated tests

Run tests via `grails test-app`

Use code coverage tools and CI pipelines

Deploy as a WAR file on Tomcat or Jetty

Use embedded server for standalone deployment

Docker containerization with JDK and Grails

Deploy on cloud platforms (AWS, GCP, Azure)

CI/CD pipelines for automated deployment

Grails CLI for project scaffolding and tasks

GORM for database interaction

GSP templates and TagLibs

Spring Security for authentication

Spock and JUnit for testing

Spring Boot and Spring ecosystem

Hibernate for ORM

REST API support via JSON/XML converters

Database support (PostgreSQL, MySQL, Oracle, etc.)

Message queues and caching via Spring integration

Use scaffolding for CRUD operations

Keep services small and focused

Use TagLibs for reusable UI components

Leverage GORM dynamic methods for queries

Monitor JVM performance for optimization

Learning Groovy dynamic features

Integrating advanced Spring Boot features

Managing GORM for complex relationships

Scaling JVM-based applications

Debugging dynamic Groovy code in large apps